564756220 has 48 divisors (see below), whose sum is σ = 1356788160. Its totient is φ = 193434624.

The previous prime is 564756211. The next prime is 564756221. The reversal of 564756220 is 22657465.

It is a self number, because there is not a number n which added to its sum of digits gives 564756220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564756221) 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, 232452 + ... + 234868.

It is an arithmetic number, because the mean of its divisors is an integer number (28266420).

Almost surely, 2^564756220 is an apocalyptic number.

It is an amenable number.

564756220 is an abundant number, since it is smaller than the sum of its proper divisors (792031940).

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

564756220 is a wasteful number, since it uses less digits than its factorization.

564756220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102 (or 4100 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 564756220 is about 23764.6001439115. The cubic root of 564756220 is about 826.5840249361.

The spelling of 564756220 in words is "five hundred sixty-four million, seven hundred fifty-six thousand, two hundred twenty".