'Twenty' in the Bible

The children of Harim, three hundred and twenty.

their camels four hundred and thirty-five; the asses six thousand seven hundred and twenty.

And in the second year of their coming to the house of God at Jerusalem, in the second month, began Zerubbabel the son of Shealtiel, and Jeshua the son of Jozadak, and the remnant of their brethren the priests and the Levites, and all they that had come out of the captivity to Jerusalem; and they appointed the Levites, from twenty years old and upward, to superintend the work of the house of Jehovah.

and Hashabiah, and with him Isaiah of the sons of Merari, his brethren and their sons, twenty;

and of the Nethinim, whom David and the princes had appointed for the service of the Levites, two hundred and twenty Nethinim: all of them were expressed by name.

and twenty basons of gold, of a thousand darics; and two vessels of shining copper, precious as gold.