Alright, let's work through 20793743 times 87432110 step by step
20793743 × 87432110 = 87432110 × (20793743)
+ 87432110 × 3 yielding 262296330
+ 87432110 × 40 producing 3497284400
+ 87432110 × 700 which equals 61202477000
+ 87432110 × 3000 that equals 262296330000
+ 87432110 × 90000 giving us 7868889900000
+ 87432110 × 700000 yielding 61202477000000
+ 87432110 × 0000000 that is equal 0
+ 87432110 × 20000000 that is equal 1748642200000000

= 1818040825287730
