(4*3.1415926*8.854157817*10^-12)*(2*10^20)^2*(5.3392x10^20)/(3.3x10^19)

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.