Shiva Purana
तस्य वै दिवसे यांति चतुर्दश पुरंदराः ॥ शतानि मासे चत्वारि विंशत्या सहितानि च ॥ २२ ॥
On that day fourteen Purandaras go to the city. Four hundred and twenty in a month.
english translation
tasya vai divase yAMti caturdaza puraMdarAH ॥ zatAni mAse catvAri viMzatyA sahitAni ca ॥ 22 ॥
hk transliteration by Sanscript