13201020197 has 8 divisors (see below), whose sum is σ = 13689629400. Its totient is φ = 12714637824.

The previous prime is 13201020181. The next prime is 13201020211. The reversal of 13201020197 is 79102010231.

13201020197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3947734561 + 9253285636 = 62831^2 + 96194^2 .

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 13201020197 - 2⁴ = 13201020181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201020137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544628 + ... + 568349.

It is an arithmetic number, because the mean of its divisors is an integer number (1711203675).

Almost surely, 2^13201020197 is an apocalyptic number.

It is an amenable number.

13201020197 is a deficient number, since it is larger than the sum of its proper divisors (488609203).

13201020197 is a wasteful number, since it uses less digits than its factorization.

13201020197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113415.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 13201020197 in words is "thirteen billion, two hundred one million, twenty thousand, one hundred ninety-seven".