13220252305324 has 12 divisors (see below), whose sum is σ = 23137897331248. Its totient is φ = 6609424496400.

The previous prime is 13220252305303. The next prime is 13220252305363. The reversal of 13220252305324 is 42350325202231.

It is a self number, because there is not a number n which added to its sum of digits gives 13220252305324.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175371672 + ... + 175447039.

Almost surely, 2^{13220252305324} is an apocalyptic number.

It is an amenable number.

13220252305324 is a deficient number, since it is larger than the sum of its proper divisors (9917645025924).

13220252305324 is a wasteful number, since it uses less digits than its factorization.

13220252305324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350828136 (or 350828134 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 13220252305324 its reverse (42350325202231), we get a palindrome (55570577507555).

The spelling of 13220252305324 in words is "thirteen trillion, two hundred twenty billion, two hundred fifty-two million, three hundred five thousand, three hundred twenty-four".