220545052 has 24 divisors (see below), whose sum is σ = 475020896. Its totient is φ = 87248448.

The previous prime is 220545023. The next prime is 220545079. The reversal of 220545052 is 250545022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302583 + ... + 303310.

Almost surely, 2^220545052 is an apocalyptic number.

It is an amenable number.

220545052 is an abundant number, since it is smaller than the sum of its proper divisors (254475844).

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

220545052 is a wasteful number, since it uses less digits than its factorization.

220545052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605917 (or 605915 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 220545052 is about 14850.7593071870. The cubic root of 220545052 is about 604.1792043143.

The spelling of 220545052 in words is "two hundred twenty million, five hundred forty-five thousand, fifty-two".