220518124 has 6 divisors (see below), whose sum is σ = 385906724. Its totient is φ = 110259060.

The previous prime is 220518073. The next prime is 220518149. The reversal of 220518124 is 421815022.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27564762 + ... + 27564769.

Almost surely, 2^220518124 is an apocalyptic number.

It is an amenable number.

220518124 is a deficient number, since it is larger than the sum of its proper divisors (165388600).

220518124 is a wasteful number, since it uses less digits than its factorization.

220518124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55129535 (or 55129533 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 220518124 is about 14849.8526592017. The cubic root of 220518124 is about 604.1546137228.

The spelling of 220518124 in words is "two hundred twenty million, five hundred eighteen thousand, one hundred twenty-four".