220752904 has 16 divisors (see below), whose sum is σ = 417710700. Its totient is φ = 109363392.

The previous prime is 220752893. The next prime is 220752907. The reversal of 220752904 is 409257022.

It can be written as a sum of positive squares in 2 ways, for example, as 213452100 + 7300804 = 14610^2 + 2702^2 .

It is not an unprimeable number, because it can be changed into a prime (220752907) 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, 125707 + ... + 127450.

Almost surely, 2^220752904 is an apocalyptic number.

It is an amenable number.

220752904 is a deficient number, since it is larger than the sum of its proper divisors (196957796).

220752904 is a wasteful number, since it uses less digits than its factorization.

220752904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253272 (or 253268 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 220752904 is about 14857.7556851632. The cubic root of 220752904 is about 604.3689469915.

The spelling of 220752904 in words is "two hundred twenty million, seven hundred fifty-two thousand, nine hundred four".