I couldn't find any specific information on a 20-minute 38-second viral video. However, I can suggest some possibilities:
1. A viral video that gained a significant amount of views or attention in a short period, and 20 minutes 38 seconds might be the duration of the video that made it go viral.
2. The title might be a reference to a song or a piece of music that has a 20-minute 38-second duration or a specific part of it that became popular.
One possible connection is to the song "20 Minutes 38 Seconds in Erica's Heart" by Erci E. This song is from the soundtrack of the video game 'Prince of Persia: The Two Thrones.'
