13202320520017 has 2 divisors, whose sum is σ = 13202320520018. Its totient is φ = 13202320520016.

The previous prime is 13202320519991. The next prime is 13202320520087. The reversal of 13202320520017 is 71002502320231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8037446131521 + 5164874388496 = 2835039^2 + 2272636^2 .

It is a cyclic number.

It is not a de Polignac number, because 13202320520017 - 2¹⁵ = 13202320487249 is a prime.

It is a super-2 number, since 2×13202320520017² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13202320520087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601160260008 + 6601160260009.

It is an arithmetic number, because the mean of its divisors is an integer number (6601160260009).

Almost surely, 2^{13202320520017} is an apocalyptic number.

It is an amenable number.

13202320520017 is a deficient number, since it is larger than the sum of its proper divisors (1).

13202320520017 is an equidigital number, since it uses as much as digits as its factorization.

13202320520017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 13202320520017 its reverse (71002502320231), we get a palindrome (84204822840248).

The spelling of 13202320520017 in words is "thirteen trillion, two hundred two billion, three hundred twenty million, five hundred twenty thousand, seventeen".