Il numero 21020, ventunmilaventi in Italiano, in Inglese si dice twenty-one thousand twenty.
Il numero ordinale 21020° in inglese si dice twenty-one thousand twentieth.
21011: twenty-one thousand eleven
21012: twenty-one thousand twelve
21013: twenty-one thousand thirteen
21014: twenty-one thousand fourteen
21015: twenty-one thousand fifteen
21016: twenty-one thousand sixteen
21017: twenty-one thousand seventeen
21018: twenty-one thousand eighteen
21019: twenty-one thousand nineteen
21021: twenty-one thousand twenty-one
21022: twenty-one thousand twenty-two
21023: twenty-one thousand twenty-three
21024: twenty-one thousand twenty-four
21025: twenty-one thousand twenty-five
21026: twenty-one thousand twenty-six
21027: twenty-one thousand twenty-seven
21028: twenty-one thousand twenty-eight
21029: twenty-one thousand twenty-nine