0 is an even number. According to the definition of even number, a number divisible by 2 is called even number. Even numbers include positive even numbers, negative even numbers and 0. In 2002, the International Mathematical Association stipulated that zero was an even number, and China also stipulated that zero was an even number in 2004.

P53——P54, the tenth volume of mathematics for six-year primary schools with nine-year compulsory education, introduces the characteristics that numbers can be divisible by 2 and 5, and says that "numbers with digits of 0, 2, 4, 6 and 8 can be divisible by 2. A number divisible by 2 is even. Numbers that are not divisible by 2 are odd numbers. The number of 0 is 0, according to "the number is 0, the number of 2"