20113234135 has 8 divisors (see below), whose sum is σ = 24153141600. Its totient is φ = 16079080224.

The previous prime is 20113234129. The next prime is 20113234139. The reversal of 20113234135 is 53143231102.

It is a happy number.

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 20113234135 - 2¹³ = 20113225943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113234139) 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, 1430692 + ... + 1444681.

It is an arithmetic number, because the mean of its divisors is an integer number (3019142700).

Almost surely, 2^20113234135 is an apocalyptic number.

20113234135 is a deficient number, since it is larger than the sum of its proper divisors (4039907465).

20113234135 is a wasteful number, since it uses less digits than its factorization.

20113234135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2876777.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 20113234135 its reverse (53143231102), we get a palindrome (73256465237).

The spelling of 20113234135 in words is "twenty billion, one hundred thirteen million, two hundred thirty-four thousand, one hundred thirty-five".