20608326199 has 2 divisors, whose sum is σ = 20608326200. Its totient is φ = 20608326198.

The previous prime is 20608326149. The next prime is 20608326293. The reversal of 20608326199 is 99162380602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20608326199 - 2³¹ = 18460842551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20608326139) 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 as a sum of consecutive naturals, namely, 10304163099 + 10304163100.

It is an arithmetic number, because the mean of its divisors is an integer number (10304163100).

Almost surely, 2^20608326199 is an apocalyptic number.

20608326199 is a deficient number, since it is larger than the sum of its proper divisors (1).

20608326199 is an equidigital number, since it uses as much as digits as its factorization.

20608326199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 20608326199 in words is "twenty billion, six hundred eight million, three hundred twenty-six thousand, one hundred ninety-nine".