Alright, let's work through 20079515 times 26068226 step by step
20079515 × 26068226 = 26068226 × (20079515)
+ 26068226 × 5 that equals 130341130
+ 26068226 × 10 that results in 260682260
+ 26068226 × 500 that results in 13034113000
+ 26068226 × 9000 that results in 234614034000
+ 26068226 × 70000 that is equal 1824775820000
+ 26068226 × 000000 yielding 0
+ 26068226 × 0000000 resulting in 0
+ 26068226 × 20000000 giving us 521364520000000

= 523437334990390
