13320195752 has 8 divisors (see below), whose sum is σ = 24975367050. Its totient is φ = 6660097872.

The previous prime is 13320195751. The next prime is 13320195799. The reversal of 13320195752 is 25759102331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13265050276 + 55145476 = 115174^2 + 7426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×13320195752² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13320195751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 832512227 + ... + 832512242.

Almost surely, 2^13320195752 is an apocalyptic number.

It is an amenable number.

13320195752 is a deficient number, since it is larger than the sum of its proper divisors (11655171298).

13320195752 is a wasteful number, since it uses less digits than its factorization.

13320195752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665024475 (or 1665024471 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The spelling of 13320195752 in words is "thirteen billion, three hundred twenty million, one hundred ninety-five thousand, seven hundred fifty-two".