13220230232 has 32 divisors (see below), whose sum is σ = 27973846800. Its totient is φ = 5801980800.

The previous prime is 13220230211. The next prime is 13220230249. The reversal of 13220230232 is 23203202231.

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, 2587619 + ... + 2592722.

Almost surely, 2^13220230232 is an apocalyptic number.

It is an amenable number.

13220230232 is an abundant number, since it is smaller than the sum of its proper divisors (14753616568).

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

13220230232 is a wasteful number, since it uses less digits than its factorization.

13220230232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5180387 (or 5180383 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13220230232 its reverse (23203202231), we get a palindrome (36423432463).

The spelling of 13220230232 in words is "thirteen billion, two hundred twenty million, two hundred thirty thousand, two hundred thirty-two".