220104630391 has 2 divisors, whose sum is σ = 220104630392. Its totient is φ = 220104630390.

The previous prime is 220104630323. The next prime is 220104630401. The reversal of 220104630391 is 193036401022.

220104630391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220104630391 - 2²¹ = 220102533239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220104630301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110052315195 + 110052315196.

It is an arithmetic number, because the mean of its divisors is an integer number (110052315196).

Almost surely, 2^220104630391 is an apocalyptic number.

220104630391 is a deficient number, since it is larger than the sum of its proper divisors (1).

220104630391 is an equidigital number, since it uses as much as digits as its factorization.

220104630391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 220104630391 in words is "two hundred twenty billion, one hundred four million, six hundred thirty thousand, three hundred ninety-one".