840 divided by 20 is equal to 42. This is because division is the process of splitting a number into equal parts, and in this case, 840 is being split into 20 equal parts. Each part is equal to 42, so the answer to 840 divided by 20 is 42.
Well, darling, 840 divided by 20 is 42. Simple math, no need to complicate things. Now go forth and conquer the world with your newfound knowledge of basic division.