Nehemiah 7:35 Midrash

בְּנֵ֣י חָרִ֔ם שְׁלֹ֥שׁ מֵא֖וֹת וְעֶשְׂרִֽים׃ (ס)

The children of Harim, three hundred and twenty.

Read midrashic interpretation of Nehemiah 7:35: and classical rabbinic exegesis.