Alright, let's work through 20585468 times 6526894 step by step
20585468 × 6526894 = 6526894 × (20585468)
+ 6526894 × 8 giving us 52215152
+ 6526894 × 60 what gives us 391613640
+ 6526894 × 400 producing 2610757600
+ 6526894 × 5000 that is equal 32634470000
+ 6526894 × 80000 that is equal 522151520000
+ 6526894 × 500000 that is equal 3263447000000
+ 6526894 × 0000000 that results in 0
+ 6526894 × 20000000 that equals 130537880000000

= 134359167576392
