Alright, let's work through 20764891 times 48670603 step by step
20764891 × 48670603 = 48670603 × (20764891)
+ 48670603 × 1 giving us 48670603
+ 48670603 × 90 what gives us 4380354270
+ 48670603 × 800 resulting in 38936482400
+ 48670603 × 4000 that equals 194682412000
+ 48670603 × 60000 what gives us 2920236180000
+ 48670603 × 700000 which equals 34069422100000
+ 48670603 × 0000000 that results in 0
+ 48670603 × 20000000 resulting in 973412060000000

= 1010639766199273
