320000220548089 has 2 divisors, whose sum is σ = 320000220548090. Its totient is φ = 320000220548088.

The previous prime is 320000220548053. The next prime is 320000220548137. The reversal of 320000220548089 is 980845022000023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296186406144489 + 23813814403600 = 17210067^2 + 4879940^2 .

It is a cyclic number.

It is not a de Polignac number, because 320000220548089 - 2⁷ = 320000220547961 is a prime.

It is not a weakly prime, because it can be changed into another prime (320000520548089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160000110274044 + 160000110274045.

It is an arithmetic number, because the mean of its divisors is an integer number (160000110274045).

Almost surely, 2^{320000220548089} is an apocalyptic number.

It is an amenable number.

320000220548089 is a deficient number, since it is larger than the sum of its proper divisors (1).

320000220548089 is an equidigital number, since it uses as much as digits as its factorization.

320000220548089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 320000220548089 in words is "three hundred twenty trillion, two hundred twenty million, five hundred forty-eight thousand, eighty-nine".