Alright, let's work through 20473477 times 26890705 step by step
20473477 × 26890705 = 26890705 × (20473477)
+ 26890705 × 7 resulting in 188234935
+ 26890705 × 70 that is equal 1882349350
+ 26890705 × 400 giving us 10756282000
+ 26890705 × 3000 giving us 80672115000
+ 26890705 × 70000 what gives us 1882349350000
+ 26890705 × 400000 that equals 10756282000000
+ 26890705 × 0000000 that is equal 0
+ 26890705 × 20000000 yielding 537814100000000

= 550546230331285
