20118468 has 24 divisors (see below), whose sum is σ = 48984768. Its totient is φ = 6414496.

The previous prime is 20118467. The next prime is 20118481. The reversal of 20118468 is 86481102.

It is not an unprimeable number, because it can be changed into a prime (20118467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36171 + ... + 36722.

It is an arithmetic number, because the mean of its divisors is an integer number (2041032).

Almost surely, 2^20118468 is an apocalyptic number.

It is an amenable number.

20118468 is an abundant number, since it is smaller than the sum of its proper divisors (28866300).

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

20118468 is a wasteful number, since it uses less digits than its factorization.

20118468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72923 (or 72921 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 20118468 is about 4485.3615238908. The cubic root of 20118468 is about 271.9766596177.

The spelling of 20118468 in words is "twenty million, one hundred eighteen thousand, four hundred sixty-eight".