20110113304320 has 576 divisors, whose sum is σ = 69830603781120. Its totient is φ = 4932104306688.

The previous prime is 20110113304291. The next prime is 20110113304433. The reversal of 20110113304320 is 2340331101102.

It is a super-2 number, since 2×20110113304320² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2387519629 + ... + 2387528051.

It is an arithmetic number, because the mean of its divisors is an integer number (121233687120).

Almost surely, 2^{20110113304320} is an apocalyptic number.

20110113304320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110113304320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34915301890560).

20110113304320 is an abundant number, since it is smaller than the sum of its proper divisors (49720490476800).

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

20110113304320 is an equidigital number, since it uses as much as digits as its factorization.

20110113304320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769 (or 8729 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20110113304320 its reverse (2340331101102), we get a palindrome (22450444405422).

The spelling of 20110113304320 in words is "twenty trillion, one hundred ten billion, one hundred thirteen million, three hundred four thousand, three hundred twenty".