13113304020 has 72 divisors (see below), whose sum is σ = 39904276776. Its totient is φ = 3485693952.

The previous prime is 13113303979. The next prime is 13113304027. The reversal of 13113304020 is 2040331131.

13113304020 is a `hidden beast` number, since 1 + 311 + 330 + 4 + 0 + 20 = 666.

13113304020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 255104784 + 12858199236 = 15972^2 + 113394^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13113303984 and 13113304002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113304027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60037 + ... + 172716.

Almost surely, 2^13113304020 is an apocalyptic number.

13113304020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113304020 is an abundant number, since it is smaller than the sum of its proper divisors (26790972756).

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

13113304020 is a wasteful number, since it uses less digits than its factorization.

13113304020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233081 (or 233076 counting only the distinct ones).

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

Adding to 13113304020 its reverse (2040331131), we get a palindrome (15153635151).

The spelling of 13113304020 in words is "thirteen billion, one hundred thirteen million, three hundred four thousand, twenty".