nostr:npub17xrx4m6kmkk5spdedk8wlqkpdt720ye4md54zm99kcsmq98pgpws7t7v9v https://www.twilio.com/docs/glossary/totp

I recommend Aegis (https://getaegis.app/) as your TOTP app for Android users. Or even better, adopt https://bitwarden.com as your new best friend and put it on your computers, browsers, and phone. 

Let it handle the TOTP for you AND manage your passwords.