20133112134 has 64 divisors (see below), whose sum is σ = 42082099200. Its totient is φ = 6413395968.

The previous prime is 20133112133. The next prime is 20133112187. The reversal of 20133112134 is 43121133102.

20133112134 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 20133112134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133112133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12749757 + ... + 12751335.

It is an arithmetic number, because the mean of its divisors is an integer number (657532800).

Almost surely, 2^20133112134 is an apocalyptic number.

20133112134 is an abundant number, since it is smaller than the sum of its proper divisors (21948987066).

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

20133112134 is a wasteful number, since it uses less digits than its factorization.

20133112134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20133112134 its reverse (43121133102), we get a palindrome (63254245236).

The spelling of 20133112134 in words is "twenty billion, one hundred thirty-three million, one hundred twelve thousand, one hundred thirty-four".