'Twenty' in the Bible

Or what king, going out to engage another king in battle, does not sit down first [and] deliberate whether he is able with ten thousand to oppose the one coming against him with twenty thousand.

And in those days Peter stood up in the midst of the brothers (and it was a crowd of persons of about one hundred twenty at the same [place]) [and] said,

And taking soundings, they found twenty fathoms. So going on a little [further] and taking soundings again, they found fifteen fathoms.