20320442110999 has 2 divisors, whose sum is σ = 20320442111000. Its totient is φ = 20320442110998.

The previous prime is 20320442110957. The next prime is 20320442111023. The reversal of 20320442110999 is 99901124402302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20320442110999 - 2⁹ = 20320442110487 is a prime.

It is a super-2 number, since 2×20320442110999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320442110099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160221055499 + 10160221055500.

It is an arithmetic number, because the mean of its divisors is an integer number (10160221055500).

Almost surely, 2^{20320442110999} is an apocalyptic number.

20320442110999 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320442110999 is an equidigital number, since it uses as much as digits as its factorization.

20320442110999 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 20320442110999 in words is "twenty trillion, three hundred twenty billion, four hundred forty-two million, one hundred ten thousand, nine hundred ninety-nine".