20010112135 has 32 divisors (see below), whose sum is σ = 26599845888. Its totient is φ = 14357105280.

The previous prime is 20010112127. The next prime is 20010112163. The reversal of 20010112135 is 53121101002.

It is not a de Polignac number, because 20010112135 - 2³ = 20010112127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515104 + ... + 552586.

It is an arithmetic number, because the mean of its divisors is an integer number (831245184).

Almost surely, 2^20010112135 is an apocalyptic number.

20010112135 is a deficient number, since it is larger than the sum of its proper divisors (6589733753).

20010112135 is a wasteful number, since it uses less digits than its factorization.

20010112135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37735.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 20010112135 its reverse (53121101002), we get a palindrome (73131213137).

The spelling of 20010112135 in words is "twenty billion, ten million, one hundred twelve thousand, one hundred thirty-five".