220752764 has 12 divisors (see below), whose sum is σ = 386790264. Its totient is φ = 110241264.

The previous prime is 220752751. The next prime is 220752787. The reversal of 220752764 is 467257022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30059 + ... + 36674.

It is an arithmetic number, because the mean of its divisors is an integer number (32232522).

Almost surely, 2^220752764 is an apocalyptic number.

It is an amenable number.

220752764 is a deficient number, since it is larger than the sum of its proper divisors (166037500).

220752764 is a wasteful number, since it uses less digits than its factorization.

220752764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67564 (or 67562 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 220752764 is about 14857.7509738183. The cubic root of 220752764 is about 604.3688192292.

The spelling of 220752764 in words is "two hundred twenty million, seven hundred fifty-two thousand, seven hundred sixty-four".