20264112135 has 12 divisors (see below), whose sum is σ = 35124461112. Its totient is φ = 10807526448.

The previous prime is 20264112109. The next prime is 20264112139. The reversal of 20264112135 is 53121146202.

20264112135 is a `hidden beast` number, since 2 + 0 + 2 + 641 + 1 + 2 + 13 + 5 = 666.

It is not a de Polignac number, because 20264112135 - 2¹⁷ = 20263981063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20264112099 and 20264112108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20264112139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225156757 + ... + 225156846.

It is an arithmetic number, because the mean of its divisors is an integer number (2927038426).

Almost surely, 2^20264112135 is an apocalyptic number.

20264112135 is a deficient number, since it is larger than the sum of its proper divisors (14860348977).

20264112135 is a wasteful number, since it uses less digits than its factorization.

20264112135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450313614 (or 450313611 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 20264112135 its reverse (53121146202), we get a palindrome (73385258337).

The spelling of 20264112135 in words is "twenty billion, two hundred sixty-four million, one hundred twelve thousand, one hundred thirty-five".