220539204 has 18 divisors (see below), whose sum is σ = 557474190. Its totient is φ = 73513056.

The previous prime is 220539199. The next prime is 220539233. The reversal of 220539204 is 402935022.

It can be written as a sum of positive squares in only one way, i.e., 219099204 + 1440000 = 14802^2 + 1200^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3063009 + ... + 3063080.

Almost surely, 2^220539204 is an apocalyptic number.

It is an amenable number.

220539204 is an abundant number, since it is smaller than the sum of its proper divisors (336934986).

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

220539204 is a wasteful number, since it uses less digits than its factorization.

220539204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126099 (or 6126094 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 220539204 is about 14850.5624135923. The cubic root of 220539204 is about 604.1738641034.

The spelling of 220539204 in words is "two hundred twenty million, five hundred thirty-nine thousand, two hundred four".