There are 20 natural numbers, of which the odd number is more than the even number, and the sum of them is 100. How many even numbers are there at least?

There are 20 natural numbers, of which the odd number is more than the even number, and the sum of them is 100. How many even numbers are there at least?

Because the sum is 100, the odd number must be even, and the odd number is more than the even number, so the even number is at least two. A: then there are at least two even numbers in these 20 numbers