20113310304 has 144 divisors (see below), whose sum is σ = 58702526064. Its totient is φ = 6528614400.

The previous prime is 20113310251. The next prime is 20113310323. The reversal of 20113310304 is 40301331102.

20113310304 is a `hidden beast` number, since 20 + 11 + 331 + 0 + 304 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7945519 + ... + 7948049.

It is an arithmetic number, because the mean of its divisors is an integer number (407656431).

Almost surely, 2^20113310304 is an apocalyptic number.

20113310304 is a gapful number since it is divisible by the number (24) 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 20113310304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29351263032).

20113310304 is an abundant number, since it is smaller than the sum of its proper divisors (38589215760).

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

20113310304 is a wasteful number, since it uses less digits than its factorization.

20113310304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20113310304 its reverse (40301331102), we get a palindrome (60414641406).

The spelling of 20113310304 in words is "twenty billion, one hundred thirteen million, three hundred ten thousand, three hundred four".