Alright, let's work through 20784210 times 67796597 step by step
20784210 × 67796597 = 67796597 × (20784210)
+ 67796597 × 0 which equals 0
+ 67796597 × 10 yielding 677965970
+ 67796597 × 200 resulting in 13559319400
+ 67796597 × 4000 resulting in 271186388000
+ 67796597 × 80000 that is equal 5423727760000
+ 67796597 × 700000 that equals 47457617900000
+ 67796597 × 0000000 what gives us 0
+ 67796597 × 20000000 that is equal 1355931940000000

= 1409098709333370
