13220200397 has 2 divisors, whose sum is σ = 13220200398. Its totient is φ = 13220200396.

The previous prime is 13220200393. The next prime is 13220200423. The reversal of 13220200397 is 79300202231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11953267561 + 1266932836 = 109331^2 + 35594^2 .

It is an emirp because it is prime and its reverse (79300202231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13220200397 - 2² = 13220200393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13220200393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610100198 + 6610100199.

It is an arithmetic number, because the mean of its divisors is an integer number (6610100199).

Almost surely, 2^13220200397 is an apocalyptic number.

It is an amenable number.

13220200397 is a deficient number, since it is larger than the sum of its proper divisors (1).

13220200397 is an equidigital number, since it uses as much as digits as its factorization.

13220200397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 13220200397 in words is "thirteen billion, two hundred twenty million, two hundred thousand, three hundred ninety-seven".