No problem, we've got 20747475 and 84013566 to multiply
20747475 × 84013566 = 84013566 × (20747475)
+ 84013566 × 5 which equals 420067830
+ 84013566 × 70 which equals 5880949620
+ 84013566 × 400 yielding 33605426400
+ 84013566 × 7000 what gives us 588094962000
+ 84013566 × 40000 yielding 3360542640000
+ 84013566 × 700000 resulting in 58809496200000
+ 84013566 × 0000000 resulting in 0
+ 84013566 × 20000000 that equals 1680271320000000

= 1743069360245850
