13113133020 has 72 divisors (see below), whose sum is σ = 42836242176. Its totient is φ = 3227847552.

The previous prime is 13113132943. The next prime is 13113133051. The reversal of 13113133020 is 2033131131.

It is a happy number.

13113133020 is a `hidden beast` number, since 1 + 311 + 3 + 1 + 330 + 20 = 666.

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 = 13113132984 and 13113133002.

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, 2799612 + ... + 2804291.

It is an arithmetic number, because the mean of its divisors is an integer number (594947808).

Almost surely, 2^13113133020 is an apocalyptic number.

13113133020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113133020 is an abundant number, since it is smaller than the sum of its proper divisors (29723109156).

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

13113133020 is a wasteful number, since it uses less digits than its factorization.

13113133020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603931 (or 5603926 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13113133020 its reverse (2033131131), we get a palindrome (15146264151).

The spelling of 13113133020 in words is "thirteen billion, one hundred thirteen million, one hundred thirty-three thousand, twenty".