18020475068 has 48 divisors (see below), whose sum is σ = 34521500160. Its totient is φ = 8204011200.

The previous prime is 18020475059. The next prime is 18020475101. The reversal of 18020475068 is 86057402081.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141863 + ... + 236993.

It is an arithmetic number, because the mean of its divisors is an integer number (719197920).

Almost surely, 2^18020475068 is an apocalyptic number.

It is an amenable number.

18020475068 is a deficient number, since it is larger than the sum of its proper divisors (16501025092).

18020475068 is a wasteful number, since it uses less digits than its factorization.

18020475068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95258 (or 95256 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 18020475068 in words is "eighteen billion, twenty million, four hundred seventy-five thousand, sixty-eight".