You are 21 years old if you were born on October 20, 2002.
You are 21 years 5 months, 1 week, and 2 days old or 257 months old or 1,118 weeks old or 7,831 days old or 187,944 hours old or 11,276,640 minutes old or 676,598,400 seconds old You were born on a Sunday.