Alright, let's work through 20449976 times 82861339 step by step
20449976 × 82861339 = 82861339 × (20449976)
+ 82861339 × 6 giving us 497168034
+ 82861339 × 70 resulting in 5800293730
+ 82861339 × 900 giving us 74575205100
+ 82861339 × 9000 which equals 745752051000
+ 82861339 × 40000 yielding 3314453560000
+ 82861339 × 400000 that results in 33144535600000
+ 82861339 × 0000000 that equals 0
+ 82861339 × 20000000 which equals 1657226780000000

= 1694512393877864
