22020364 has 12 divisors (see below), whose sum is σ = 38702664. Its totient is φ = 10962464.

The previous prime is 22020359. The next prime is 22020379. The reversal of 22020364 is 46302022.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10882 + ... + 12745.

It is an arithmetic number, because the mean of its divisors is an integer number (3225222).

Almost surely, 2^22020364 is an apocalyptic number.

It is an amenable number.

22020364 is a deficient number, since it is larger than the sum of its proper divisors (16682300).

22020364 is a wasteful number, since it uses less digits than its factorization.

22020364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23864 (or 23862 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22020364 is about 4692.5860674046. The cubic root of 22020364 is about 280.2903620536.

Adding to 22020364 its reverse (46302022), we get a palindrome (68322386).

The spelling of 22020364 in words is "twenty-two million, twenty thousand, three hundred sixty-four".