13320240005 has 8 divisors (see below), whose sum is σ = 15985301400. Its totient is φ = 10655516416.

The previous prime is 13320239983. The next prime is 13320240029. The reversal of 13320240005 is 50004202331.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4562462116 + 8757777889 = 67546^2 + 93583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13320240005 - 2⁸ = 13320239749 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 12401 + ... + 163689.

It is an arithmetic number, because the mean of its divisors is an integer number (1998162675).

Almost surely, 2^13320240005 is an apocalyptic number.

It is an amenable number.

13320240005 is a deficient number, since it is larger than the sum of its proper divisors (2665061395).

13320240005 is a wasteful number, since it uses less digits than its factorization.

13320240005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168903.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 13320240005 its reverse (50004202331), we get a palindrome (63324442336).

The spelling of 13320240005 in words is "thirteen billion, three hundred twenty million, two hundred forty thousand, five".