MegaFavNumbers was an event where prominent math youtubers made a video about there MegaFavNumber. That is there favirite number larger then one million. These video's where collected in a playlist, each video containing MegaFavNumber in the title and tagged with MegaFavNumber published before September 2020 was added to it.
As of 04/09/2020 the playlist contains 284 videos. The following MegaFavNumbers are googolisms: