13213202320 has 40 divisors (see below), whose sum is σ = 30727158336. Its totient is φ = 5284169088.

The previous prime is 13213202297. The next prime is 13213202341. The reversal of 13213202320 is 2320231231.

It is a tau number, because it is divible by the number of its divisors (40).

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, 440109 + ... + 469171.

Almost surely, 2^13213202320 is an apocalyptic number.

13213202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13213202320 is an abundant number, since it is smaller than the sum of its proper divisors (17513956016).

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

13213202320 is a wasteful number, since it uses less digits than its factorization.

13213202320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34759 (or 34753 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 13213202320 its reverse (2320231231), we get a palindrome (15533433551).

The spelling of 13213202320 in words is "thirteen billion, two hundred thirteen million, two hundred two thousand, three hundred twenty".