220200019691 has 2 divisors, whose sum is σ = 220200019692. Its totient is φ = 220200019690.

The previous prime is 220200019687. The next prime is 220200019751. The reversal of 220200019691 is 196910002022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220200019691 - 2² = 220200019687 is a prime.

It is not a weakly prime, because it can be changed into another prime (220200019621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100009845 + 110100009846.

It is an arithmetic number, because the mean of its divisors is an integer number (110100009846).

Almost surely, 2^220200019691 is an apocalyptic number.

220200019691 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200019691 is an equidigital number, since it uses as much as digits as its factorization.

220200019691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 220200019691 in words is "two hundred twenty billion, two hundred million, nineteen thousand, six hundred ninety-one".