220200000217 has 2 divisors, whose sum is σ = 220200000218. Its totient is φ = 220200000216.

The previous prime is 220200000199. The next prime is 220200000257. The reversal of 220200000217 is 712000002022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211720537161 + 8479463056 = 460131^2 + 92084^2 .

It is a cyclic number.

It is not a de Polignac number, because 220200000217 - 2⁷ = 220200000089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220200000217.

It is not a weakly prime, because it can be changed into another prime (220200000257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100000108 + 110100000109.

It is an arithmetic number, because the mean of its divisors is an integer number (110100000109).

Almost surely, 2^220200000217 is an apocalyptic number.

It is an amenable number.

220200000217 is a deficient number, since it is larger than the sum of its proper divisors (1).

220200000217 is an equidigital number, since it uses as much as digits as its factorization.

220200000217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 16.

Adding to 220200000217 its reverse (712000002022), we get a palindrome (932200002239).

The spelling of 220200000217 in words is "two hundred twenty billion, two hundred million, two hundred seventeen", and thus it is an aban number.