13220301232 has 20 divisors (see below), whose sum is σ = 26962457080. Its totient is φ = 6262247808.

The previous prime is 13220301229. The next prime is 13220301233. The reversal of 13220301232 is 23210302231.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (13220301233) 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, 21743613 + ... + 21744220.

It is an arithmetic number, because the mean of its divisors is an integer number (1348122854).

Almost surely, 2^13220301232 is an apocalyptic number.

It is an amenable number.

13220301232 is an abundant number, since it is smaller than the sum of its proper divisors (13742155848).

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

13220301232 is a wasteful number, since it uses less digits than its factorization.

13220301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487860 (or 43487854 counting only the distinct ones).

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

Adding to 13220301232 its reverse (23210302231), we get a palindrome (36430603463).

Subtracting 13220301232 from its reverse (23210302231), we obtain a palindrome (9990000999).

The spelling of 13220301232 in words is "thirteen billion, two hundred twenty million, three hundred one thousand, two hundred thirty-two".