13113213020 has 24 divisors (see below), whose sum is σ = 27540296784. Its totient is φ = 5244799616.

The previous prime is 13113213017. The next prime is 13113213023. The reversal of 13113213020 is 2031231131.

It is an interprime number because it is at equal distance from previous prime (13113213017) and next prime (13113213023).

It is a self number, because there is not a number n which added to its sum of digits gives 13113213020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113213023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257819 + ... + 304461.

It is an arithmetic number, because the mean of its divisors is an integer number (1147512366).

Almost surely, 2^13113213020 is an apocalyptic number.

13113213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13113213020 is an abundant number, since it is smaller than the sum of its proper divisors (14427083764).

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

13113213020 is a wasteful number, since it uses less digits than its factorization.

13113213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60709 (or 60707 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13113213020 its reverse (2031231131), we get a palindrome (15144444151).

The spelling of 13113213020 in words is "thirteen billion, one hundred thirteen million, two hundred thirteen thousand, twenty".