Step 1: Dividing 20 by 20 gives 1 as quotient and 0 as remainder.
Step 2: Bringing down 0, dividing 0 by 20 gives 0 as quotient and 0 as remainder.
Step 3: Bringing down 4, dividing 4 by 20 gives 0 as quotient and 4 as remainder.
Step 4: Bringing down 0, dividing 40 by 20 gives 2 as quotient and 0 as remainder.
Answer: Quotient 1,002