220012111998 has 72 divisors (see below), whose sum is σ = 583705647720. Its totient is φ = 59552146080.

The previous prime is 220012111981. The next prime is 220012112039. The reversal of 220012111998 is 899111210022.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 6547633 + ... + 6581148.

It is an arithmetic number, because the mean of its divisors is an integer number (8107022885).

Almost surely, 2^220012111998 is an apocalyptic number.

220012111998 is an abundant number, since it is smaller than the sum of its proper divisors (363693535722).

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

220012111998 is a wasteful number, since it uses less digits than its factorization.

220012111998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13128822 (or 13128812 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 220012111998 in words is "two hundred twenty billion, twelve million, one hundred eleven thousand, nine hundred ninety-eight".