564502020 has 48 divisors (see below), whose sum is σ = 1583469888. Its totient is φ = 150261120.

The previous prime is 564501997. The next prime is 564502021. The reversal of 564502020 is 20205465.

It is not an unprimeable number, because it can be changed into a prime (564502021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26022 + ... + 42498.

It is an arithmetic number, because the mean of its divisors is an integer number (32988956).

Almost surely, 2^564502020 is an apocalyptic number.

It is an amenable number.

564502020 is an abundant number, since it is smaller than the sum of its proper divisors (1018967868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

564502020 is a wasteful number, since it uses less digits than its factorization.

564502020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17060 (or 17058 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 564502020 is about 23759.2512508286. The cubic root of 564502020 is about 826.4599895944.

Adding to 564502020 its reverse (20205465), we get a palindrome (584707485).

The spelling of 564502020 in words is "five hundred sixty-four million, five hundred two thousand, twenty".