Solution - Long multiplication

Start by multiplying the ones digit (5) of the multiplier 5 by each digit of the multiplicand 20,000, from right to left.

Multiply the ones digit (5) of the multiplicator by the number in the ones place value:
5×0=0

Write 0 in the ones place.

Multiply the ones digit (5) of the multiplicator by the number in the tens place value:
5×0=0

Write 0 in the tens place.

Multiply the ones digit (5) of the multiplicator by the number in the hundreds place value:
5×0=0

Write 0 in the hundreds place.

Multiply the ones digit (5) of the multiplicator by the number in the thousands place value:
5×0=0

Write 0 in the thousands place.

Multiply the ones digit (5) of the multiplicator by the number in the ten thousands place value:
5×2=10

Write 0 in the ten thousands place.

Because the result is greater than 9, carry the 1 to the hundred thousands place.

The solution is: 100,000