220546564 has 12 divisors (see below), whose sum is σ = 441093184. Its totient is φ = 94519944.

The previous prime is 220546561. The next prime is 220546577. The reversal of 220546564 is 465645022.

220546564 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (220546561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3938304 + ... + 3938359.

Almost surely, 2^220546564 is an apocalyptic number.

It is an amenable number.

220546564 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220546564 is a wasteful number, since it uses less digits than its factorization.

220546564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7876674 (or 7876672 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 220546564 is about 14850.8102135877. The cubic root of 220546564 is about 604.1805850100.

The spelling of 220546564 in words is "two hundred twenty million, five hundred forty-six thousand, five hundred sixty-four".