20320102321199 has 4 divisors (see below), whose sum is σ = 20869294275864. Its totient is φ = 19770910366536.

The previous prime is 20320102321153. The next prime is 20320102321249. The reversal of 20320102321199 is 99112320102302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20320102321199 - 2⁸ = 20320102320943 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 (20320102321499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274595977277 + ... + 274595977350.

It is an arithmetic number, because the mean of its divisors is an integer number (5217323568966).

Almost surely, 2^{20320102321199} is an apocalyptic number.

20320102321199 is a deficient number, since it is larger than the sum of its proper divisors (549191954665).

20320102321199 is an equidigital number, since it uses as much as digits as its factorization.

20320102321199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549191954664.

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 20320102321199 in words is "twenty trillion, three hundred twenty billion, one hundred two million, three hundred twenty-one thousand, one hundred ninety-nine".