20133112135 has 8 divisors (see below), whose sum is σ = 24160758480. Its totient is φ = 16105807104.

The previous prime is 20133112133. The next prime is 20133112187. The reversal of 20133112135 is 53121133102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20133112135 - 2¹ = 20133112133 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 70231 + ... + 212599.

It is an arithmetic number, because the mean of its divisors is an integer number (3020094810).

Almost surely, 2^20133112135 is an apocalyptic number.

20133112135 is a deficient number, since it is larger than the sum of its proper divisors (4027646345).

20133112135 is a wasteful number, since it uses less digits than its factorization.

20133112135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170657.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 20133112135 its reverse (53121133102), we get a palindrome (73254245237).

The spelling of 20133112135 in words is "twenty billion, one hundred thirty-three million, one hundred twelve thousand, one hundred thirty-five".