13320323220 has 24 divisors (see below), whose sum is σ = 37296905184. Its totient is φ = 3552086176.

The previous prime is 13320323207. The next prime is 13320323311. The reversal of 13320323220 is 2232302331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111002634 + ... + 111002753.

It is an arithmetic number, because the mean of its divisors is an integer number (1554037716).

Almost surely, 2^13320323220 is an apocalyptic number.

13320323220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320323220 is an abundant number, since it is smaller than the sum of its proper divisors (23976581964).

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

13320323220 is a wasteful number, since it uses less digits than its factorization.

13320323220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222005399 (or 222005397 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 13320323220 its reverse (2232302331), we get a palindrome (15552625551).

The spelling of 13320323220 in words is "thirteen billion, three hundred twenty million, three hundred twenty-three thousand, two hundred twenty".