20003012320099 has 2 divisors, whose sum is σ = 20003012320100. Its totient is φ = 20003012320098.

The previous prime is 20003012320097. The next prime is 20003012320103. The reversal of 20003012320099 is 99002321030002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20003012320099 - 2¹ = 20003012320097 is a prime.

Together with 20003012320097, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20003012320099.

It is not a weakly prime, because it can be changed into another prime (20003012320097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001506160049 + 10001506160050.

It is an arithmetic number, because the mean of its divisors is an integer number (10001506160050).

Almost surely, 2^{20003012320099} is an apocalyptic number.

20003012320099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003012320099 is an equidigital number, since it uses as much as digits as its factorization.

20003012320099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 20003012320099 in words is "twenty trillion, three billion, twelve million, three hundred twenty thousand, ninety-nine".