20302211311999 has 2 divisors, whose sum is σ = 20302211312000. Its totient is φ = 20302211311998.

The previous prime is 20302211311981. The next prime is 20302211312017. The reversal of 20302211311999 is 99911311220302.

It is a balanced prime because it is at equal distance from previous prime (20302211311981) and next prime (20302211312017).

It is a cyclic number.

It is not a de Polignac number, because 20302211311999 - 2³¹ = 20300063828351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302211311909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151105655999 + 10151105656000.

It is an arithmetic number, because the mean of its divisors is an integer number (10151105656000).

Almost surely, 2^{20302211311999} is an apocalyptic number.

20302211311999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302211311999 is an equidigital number, since it uses as much as digits as its factorization.

20302211311999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 20302211311999 in words is "twenty trillion, three hundred two billion, two hundred eleven million, three hundred eleven thousand, nine hundred ninety-nine".