220646752 has 24 divisors (see below), whose sum is σ = 437826816. Its totient is φ = 109452672.

The previous prime is 220646749. The next prime is 220646801. The reversal of 220646752 is 257646022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23083 + ... + 31210.

It is an arithmetic number, because the mean of its divisors is an integer number (18242784).

Almost surely, 2^220646752 is an apocalyptic number.

It is an amenable number.

220646752 is a deficient number, since it is larger than the sum of its proper divisors (217180064).

220646752 is a wasteful number, since it uses less digits than its factorization.

220646752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54430 (or 54422 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 220646752 is about 14854.1829798882. The cubic root of 220646752 is about 604.2720584835.

The spelling of 220646752 in words is "two hundred twenty million, six hundred forty-six thousand, seven hundred fifty-two".