Alright, let's work through 20463012 times 12732311 step by step
20463012 × 12732311 = 12732311 × (20463012)
+ 12732311 × 2 giving us 25464622
+ 12732311 × 10 resulting in 127323110
+ 12732311 × 000 that equals 0
+ 12732311 × 3000 that results in 38196933000
+ 12732311 × 60000 which equals 763938660000
+ 12732311 × 400000 resulting in 5092924400000
+ 12732311 × 0000000 which equals 0
+ 12732311 × 20000000 that is equal 254646220000000

= 260541432780732
