The sum of not even numbers within 20 is () and the prime of not odd numbers is ()

The sum of not even numbers within 20 is () and the prime of not odd numbers is ()

All prime numbers within 20 are: 2, 3, 5, 7, 11, 13, 17, 19
All the numbers within 20 are: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18
By comparison, the composite numbers within 20 that are not even numbers are 9 and 15, and the prime numbers that are not odd numbers are 2