Strong's #6242: `esriym (pronounced es-reem')
 from 6235; twenty; also (ordinal) twentieth:--(six-)score, twenty(-ieth).
Brown-Driver-Briggs Hebrew Lexicon:
 ׂ 
  ‛eśrı̂ym 
 
 1) twenty, twentieth
 
  Part of Speech: noun masculine or feminine
Relation: from H6235
Usage:
This word is used 315 times:
Genesis 6:3: "is flesh: yet his days shall be a hundred  and twenty years."
Genesis 8:14: "And in the second month, on the seven  and twentieth day of the month, was the earth dried."
Genesis 11:24: "And Nahor lived nine  and twenty years, and begot Terah:"
Genesis 18:31: "unto the Lord: Peradventure  there shall be twenty found there. And he said, I will not"
Genesis 18:31: "And he said, I will not destroy  it for twenty's sake."
Genesis 23:1: "was a hundred and seven  and twenty years old: these were the years of the life"
Genesis 31:38: "This  twenty years have I been with thee; thy ewes and thy she goats have not"
Genesis 31:41: "Thus  have I been twenty years in thy house; I served thee fourteen years"
Genesis 32:14: "Two hundred she goats,  and twenty he goats, two hundred ewes, and twenty rams,"
Genesis 32:14: "he goats, two hundred ewes,  and twenty rams,"
Genesis 32:15: "kine, and ten bulls,  twenty she asses, and ten foals."
Genesis 37:28: "and sold Joseph to the Ishmaelites  for twenty pieces of silver: and they brought"
Exodus 12:18: "ye shall eat unleavened bread, until the one  and twentieth day of the month at even."
Exodus 26:2: "of one curtain shall be eight  and twenty cubits, and the breadth of one curtain"
Exodus 26:18: "the boards for the tabernacle,  twenty boards on the south side southward."
Exodus 26:19: "sockets of silver under  the twenty boards; two sockets under"
Exodus 26:20: "of the tabernacle on the north side  there shall be twenty boards:"
Exodus 27:10: " And the twenty pillars thereof and their twenty sockets shall be of brass; the hooks of the pillars and their fillets"
Exodus 27:10: "And the twenty pillars  thereof and their twenty sockets shall be of brass; the hooks of the pillars and their fillets"
Exodus 27:11: "there shall be hangings of a hundred cubits long,  and his twenty pillars and their twenty sockets of brass;"
Exodus 27:11: "cubits long, and his twenty pillars  and their twenty sockets of brass; the hooks of the pillars"
Exodus 27:16: "And for the gate of the court shall be a hanging  of twenty cubits, of blue, and purple, and scarlet,"
Exodus 30:13: "after the shekel of the sanctuary: (a shekel  is twenty gerahs:) a half shekel shall be the offering"
Exodus 30:14: "that passeth among them that are numbered,  from twenty years old and above,"
Exodus 36:9: "The length of one curtain  was twenty and eight cubits, and the breadth of one"
Exodus 36:23: "boards for the tabernacle;  twenty boards for the south side southward:"
Exodus 36:24: "of silver he made under  the twenty boards; two sockets under"
Exodus 36:25: "which is toward the north corner, he made  twenty boards,"
Exodus 38:10: "Their pillars  were twenty, and their brazen sockets twenty; the hooks of the pillars and their fillets"
Exodus 38:10: "were twenty, and their brazen sockets  twenty; the hooks of the pillars and their fillets were of silver."
Exodus 38:11: "the hangings were a hundred cubits, their pillars  were twenty, and their sockets of brass twenty; the hooks"
Exodus 38:11: "were twenty, and their sockets of brass  twenty; the hooks of the pillars and their fillets of silver."
Exodus 38:18: "of blue, and purple, and scarlet, and fine twined linen:  and twenty cubits"
Exodus 38:24: "place, even the gold of the offering, was  twenty and nine talents, and seven hundred"
Exodus 38:26: "that went to be numbered,  from twenty years old and upward,"
Leviticus 27:3: "And thy estimation shall be of the male  from twenty years old even unto"
Leviticus 27:5: "And if it be from five years old even unto  twenty years"
Leviticus 27:5: "twenty years old, then thy estimation shall be of the male  twenty shekels,"
Leviticus 27:25: "shall be according to the shekel of the sanctuary:  twenty gerahs shall be the shekel."
Numbers 1:3: " From twenty years old and upward, all that are able to go forth to war"
Numbers 1:18: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:20: "by their polls, every male  from twenty years old and upward,"
Numbers 1:22: "by their polls, every male  from twenty years old and upward,"
Numbers 1:24: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:26: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:28: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:30: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:32: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:34: "of their fathers, according to the number of the names,  from twenty years old and upward,"
Numbers 1:36: "of their fathers, according to the number of the names,  from twenty years old and upward,"