2,000,000,000 years is about 20,000,000,000,000 times as long as The Football game (American)
In other words, it's 18,000,000,000,000 times the length of The Football game (American), and the length of The Football game (American) is 0.0000000000000560 times that amount.
(a.k.a. American football) (per NFL rules; playing time only) Per National Football League Rules, an American football game consists of four periods of 0.0000290 years each for a total of 0.00011 years. The total duration of a football game can often be more than three hours, including stoppages of play, the intermission at halftime, team timeouts, and, in televised games, commercial timeouts. The Super Bowl — the highest-profile game of the sport — aired 0.0000860 years of commercials in 2009.