20113133111032 has 128 divisors (see below), whose sum is σ = 41370634992960. Its totient is φ = 9111115284480.

The previous prime is 20113133111021. The next prime is 20113133111033. The reversal of 20113133111032 is 23011133131102.

It is a junction number, because it is equal to n+sod(n) for n = 20113133110994 and 20113133111012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113133111033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5761422807 + ... + 5761426297.

Almost surely, 2^{20113133111032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20113133111032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20685317496480).

20113133111032 is an abundant number, since it is smaller than the sum of its proper divisors (21257501881928).

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

20113133111032 is a wasteful number, since it uses less digits than its factorization.

20113133111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073 (or 7069 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 20113133111032 its reverse (23011133131102), we get a palindrome (43124266242134).

The spelling of 20113133111032 in words is "twenty trillion, one hundred thirteen billion, one hundred thirty-three million, one hundred eleven thousand, thirty-two".