220200020191 has 2 divisors, whose sum is σ = 220200020192. Its totient is φ = 220200020190.

The previous prime is 220200020149. The next prime is 220200020203. The reversal of 220200020191 is 191020002022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220200020191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220200020141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100010095 + 110100010096.

It is an arithmetic number, because the mean of its divisors is an integer number (110100010096).

Almost surely, 2^220200020191 is an apocalyptic number.

220200020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200020191 is an equidigital number, since it uses as much as digits as its factorization.

220200020191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 220200020191 in words is "two hundred twenty billion, two hundred million, twenty thousand, one hundred ninety-one".