20113110132 has 24 divisors (see below), whose sum is σ = 47816074656. Its totient is φ = 6577872288.

The previous prime is 20113110103. The next prime is 20113110133. The reversal of 20113110132 is 23101131102.

It is a happy number.

It is a super-2 number, since 2×20113110132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113110133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15811558 + ... + 15812829.

It is an arithmetic number, because the mean of its divisors is an integer number (1992336444).

Almost surely, 2^20113110132 is an apocalyptic number.

It is an amenable number.

20113110132 is an abundant number, since it is smaller than the sum of its proper divisors (27702964524).

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

20113110132 is a wasteful number, since it uses less digits than its factorization.

20113110132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31624447 (or 31624445 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20113110132 its reverse (23101131102), we get a palindrome (43214241234).

The spelling of 20113110132 in words is "twenty billion, one hundred thirteen million, one hundred ten thousand, one hundred thirty-two".