20110020331232 has 192 divisors, whose sum is σ = 43800552956160. Its totient is φ = 9030060748800.

The previous prime is 20110020331229. The next prime is 20110020331273. The reversal of 20110020331232 is 23213302001102.

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, 5321517119 + ... + 5321520897.

It is an arithmetic number, because the mean of its divisors is an integer number (228127879980).

Almost surely, 2^{20110020331232} 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 20110020331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21900276478080).

20110020331232 is an abundant number, since it is smaller than the sum of its proper divisors (23690532624928).

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

20110020331232 is a wasteful number, since it uses less digits than its factorization.

20110020331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937 (or 4929 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20110020331232 its reverse (23213302001102), we get a palindrome (43323322332334).

The spelling of 20110020331232 in words is "twenty trillion, one hundred ten billion, twenty million, three hundred thirty-one thousand, two hundred thirty-two".