Alright, let's work through 20520060 times 82380152 step by step
20520060 × 82380152 = 82380152 × (20520060)
+ 82380152 × 0 that is equal 0
+ 82380152 × 60 that results in 4942809120
+ 82380152 × 000 what gives us 0
+ 82380152 × 0000 that results in 0
+ 82380152 × 20000 resulting in 1647603040000
+ 82380152 × 500000 what gives us 41190076000000
+ 82380152 × 0000000 yielding 0
+ 82380152 × 20000000 that results in 1647603040000000

= 1690445661849120
