Alright, let's work through 20852507 times 6056835 step by step
20852507 × 6056835 = 6056835 × (20852507)
+ 6056835 × 7 producing 42397845
+ 6056835 × 00 yielding 0
+ 6056835 × 500 giving us 3028417500
+ 6056835 × 2000 resulting in 12113670000
+ 6056835 × 50000 producing 302841750000
+ 6056835 × 800000 that results in 4845468000000
+ 6056835 × 0000000 giving us 0
+ 6056835 × 20000000 resulting in 121136700000000

= 126300194235345
