220353320191 has 2 divisors, whose sum is σ = 220353320192. Its totient is φ = 220353320190.

The previous prime is 220353320177. The next prime is 220353320233. The reversal of 220353320191 is 191023353022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220353320191 - 2¹³ = 220353311999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220353321191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110176660095 + 110176660096.

It is an arithmetic number, because the mean of its divisors is an integer number (110176660096).

Almost surely, 2^220353320191 is an apocalyptic number.

220353320191 is a deficient number, since it is larger than the sum of its proper divisors (1).

220353320191 is an equidigital number, since it uses as much as digits as its factorization.

220353320191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 220353320191 in words is "two hundred twenty billion, three hundred fifty-three million, three hundred twenty thousand, one hundred ninety-one".