220668572 has 24 divisors (see below), whose sum is σ = 395974656. Its totient is φ = 107552048.

The previous prime is 220668559. The next prime is 220668589. The reversal of 220668572 is 275866022.

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 7 ways as a sum of consecutive naturals, for example, 47213 + ... + 51675.

It is an arithmetic number, because the mean of its divisors is an integer number (16498944).

Almost surely, 2^220668572 is an apocalyptic number.

It is an amenable number.

220668572 is a deficient number, since it is larger than the sum of its proper divisors (175306084).

220668572 is a wasteful number, since it uses less digits than its factorization.

220668572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4775 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 220668572 is about 14854.9174349776. The cubic root of 220668572 is about 604.2919768698.

The spelling of 220668572 in words is "two hundred twenty million, six hundred sixty-eight thousand, five hundred seventy-two".