Vine's Expository Dictionary: View Entry
εἴκοσι eíkosi, i'-kos-ee; of uncertain affinity; a score:—twenty.
The KJV translates Strong's G1501 in the following manner: twenty (12x).
twenty
Strong's Number G1501 matches the Greek εἴκοσι (eikosi),
which occurs 12 times in 11 verses
in the TR Greek.