Ezra 8:20

And of the Nathinim; whom David and the princes had appointed for the service of the Levites [there were] two hundred and twenty Nathinim; all were gathered by [their] names.

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

and of the temple servants, whom David and the princes had given for the service of the Levites, two hundred twenty temple servants. All of them were mentioned by name.