220668875547 has 24 divisors (see below), whose sum is σ = 317848152000. Its totient is φ = 136112109696.

The previous prime is 220668875507. The next prime is 220668875563. The reversal of 220668875547 is 745578866022.

It is not a de Polignac number, because 220668875547 - 2²⁰ = 220667826971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220668875507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2105797 + ... + 2208102.

It is an arithmetic number, because the mean of its divisors is an integer number (13243673000).

Almost surely, 2^220668875547 is an apocalyptic number.

220668875547 is a deficient number, since it is larger than the sum of its proper divisors (97179276453).

220668875547 is a wasteful number, since it uses less digits than its factorization.

220668875547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4313995 (or 4313978 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 220668875547 in words is "two hundred twenty billion, six hundred sixty-eight million, eight hundred seventy-five thousand, five hundred forty-seven".