13320311020 has 12 divisors (see below), whose sum is σ = 27972653184. Its totient is φ = 5328124400.

The previous prime is 13320311003. The next prime is 13320311029. The reversal of 13320311020 is 2011302331.

It is a junction number, because it is equal to n+sod(n) for n = 13320310985 and 13320311003.

It is not an unprimeable number, because it can be changed into a prime (13320311029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333007756 + ... + 333007795.

It is an arithmetic number, because the mean of its divisors is an integer number (2331054432).

Almost surely, 2^13320311020 is an apocalyptic number.

13320311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320311020 is an abundant number, since it is smaller than the sum of its proper divisors (14652342164).

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

13320311020 is a wasteful number, since it uses less digits than its factorization.

13320311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666015560 (or 666015558 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13320311020 its reverse (2011302331), we get a palindrome (15331613351).

The spelling of 13320311020 in words is "thirteen billion, three hundred twenty million, three hundred eleven thousand, twenty".