564020 has 12 divisors (see below), whose sum is σ = 1184484. Its totient is φ = 225600.

The previous prime is 564017. The next prime is 564041. The reversal of 564020 is 20465.

It can be written as a sum of positive squares in 2 ways, for example, as 289444 + 274576 = 538^2 + 524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 564020.

It is a congruent number.

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, 14081 + ... + 14120.

It is an arithmetic number, because the mean of its divisors is an integer number (98707).

2⁵⁶⁴⁰²⁰ is an apocalyptic number.

It is an amenable number.

564020 is an abundant number, since it is smaller than the sum of its proper divisors (620464).

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

564020 is a wasteful number, since it uses less digits than its factorization.

564020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28210 (or 28208 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 564020 is about 751.0126496937. The cubic root of 564020 is about 82.6224688585.

Adding to 564020 its reverse (20465), we get a palindrome (584485).

The spelling of 564020 in words is "five hundred sixty-four thousand, twenty".