Alright, let's work through 20488702 times 97643210 step by step
20488702 × 97643210 = 97643210 × (20488702)
+ 97643210 × 2 yielding 195286420
+ 97643210 × 00 that results in 0
+ 97643210 × 700 yielding 68350247000
+ 97643210 × 8000 producing 781145680000
+ 97643210 × 80000 yielding 7811456800000
+ 97643210 × 400000 that results in 39057284000000
+ 97643210 × 0000000 yielding 0
+ 97643210 × 20000000 that is equal 1952864200000000

= 2000582632013420
