220618550504 has 16 divisors (see below), whose sum is σ = 451265217120. Its totient is φ = 100281159280.

The previous prime is 220618550461. The next prime is 220618550513. The reversal of 220618550504 is 405055816022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253514404 + ... + 1253514579.

It is an arithmetic number, because the mean of its divisors is an integer number (28204076070).

Almost surely, 2^220618550504 is an apocalyptic number.

It is an amenable number.

220618550504 is an abundant number, since it is smaller than the sum of its proper divisors (230646666616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220618550504 is a wasteful number, since it uses less digits than its factorization.

220618550504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507029000 (or 2507028996 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The spelling of 220618550504 in words is "two hundred twenty billion, six hundred eighteen million, five hundred fifty thousand, five hundred four".