220245082091 has 2 divisors, whose sum is σ = 220245082092. Its totient is φ = 220245082090.

The previous prime is 220245082069. The next prime is 220245082117. The reversal of 220245082091 is 190280542022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220245082091 - 2²⁶ = 220177973227 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (220245082061) 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 as a sum of consecutive naturals, namely, 110122541045 + 110122541046.

It is an arithmetic number, because the mean of its divisors is an integer number (110122541046).

Almost surely, 2^220245082091 is an apocalyptic number.

220245082091 is a deficient number, since it is larger than the sum of its proper divisors (1).

220245082091 is an equidigital number, since it uses as much as digits as its factorization.

220245082091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 220245082091 in words is "two hundred twenty billion, two hundred forty-five million, eighty-two thousand, ninety-one".