20133511120 has 40 divisors (see below), whose sum is σ = 49274123040. Its totient is φ = 7629540480.

The previous prime is 20133511093. The next prime is 20133511133. The reversal of 20133511120 is 2111533102.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6621346 + ... + 6624385.

It is an arithmetic number, because the mean of its divisors is an integer number (1231853076).

Almost surely, 2^20133511120 is an apocalyptic number.

20133511120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133511120 is an abundant number, since it is smaller than the sum of its proper divisors (29140611920).

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

20133511120 is a wasteful number, since it uses less digits than its factorization.

20133511120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13245763 (or 13245757 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The spelling of 20133511120 in words is "twenty billion, one hundred thirty-three million, five hundred eleven thousand, one hundred twenty".