220606604 has 12 divisors (see below), whose sum is σ = 386227800. Its totient is φ = 110255808.

The previous prime is 220606591. The next prime is 220606627. The reversal of 220606604 is 406606022.

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 3 ways as a sum of consecutive naturals, for example, 134 + ... + 21005.

It is an arithmetic number, because the mean of its divisors is an integer number (32185650).

Almost surely, 2^220606604 is an apocalyptic number.

It is an amenable number.

220606604 is a deficient number, since it is larger than the sum of its proper divisors (165621196).

220606604 is a wasteful number, since it uses less digits than its factorization.

220606604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23752 (or 23750 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 220606604 is about 14852.8315145631. The cubic root of 220606604 is about 604.2354059519.

The spelling of 220606604 in words is "two hundred twenty million, six hundred six thousand, six hundred four".