20133511118 has 24 divisors (see below), whose sum is σ = 35209242000. Its totient is φ = 8609411328.

The previous prime is 20133511093. The next prime is 20133511133. The reversal of 20133511118 is 81111533102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184778 + ... + 272781.

It is an arithmetic number, because the mean of its divisors is an integer number (1467051750).

Almost surely, 2^20133511118 is an apocalyptic number.

20133511118 is a deficient number, since it is larger than the sum of its proper divisors (15075730882).

20133511118 is a wasteful number, since it uses less digits than its factorization.

20133511118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458024 (or 458017 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The spelling of 20133511118 in words is "twenty billion, one hundred thirty-three million, five hundred eleven thousand, one hundred eighteen".