13320255320 has 32 divisors (see below), whose sum is σ = 30076503120. Its totient is φ = 5309270400.

The previous prime is 13320255313. The next prime is 13320255359. The reversal of 13320255320 is 2355202331.

It is a self number, because there is not a number n which added to its sum of digits gives 13320255320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577031 + ... + 599670.

Almost surely, 2^13320255320 is an apocalyptic number.

13320255320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13320255320 is an abundant number, since it is smaller than the sum of its proper divisors (16756247800).

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

13320255320 is a wasteful number, since it uses less digits than its factorization.

13320255320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176995 (or 1176991 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 13320255320 its reverse (2355202331), we get a palindrome (15675457651).

The spelling of 13320255320 in words is "thirteen billion, three hundred twenty million, two hundred fifty-five thousand, three hundred twenty".