200220617 has 2 divisors, whose sum is σ = 200220618. Its totient is φ = 200220616.

The previous prime is 200220607. The next prime is 200220623. The reversal of 200220617 is 716022002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163302841 + 36917776 = 12779^2 + 6076^2 .

It is a cyclic number.

It is not a de Polignac number, because 200220617 - 2¹⁴ = 200204233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (200220607) 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, 100110308 + 100110309.

It is an arithmetic number, because the mean of its divisors is an integer number (100110309).

Almost surely, 2^200220617 is an apocalyptic number.

It is an amenable number.

200220617 is a deficient number, since it is larger than the sum of its proper divisors (1).

200220617 is an equidigital number, since it uses as much as digits as its factorization.

200220617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 200220617 is about 14149.9334627411. The cubic root of 200220617 is about 585.0184979662.

Adding to 200220617 its reverse (716022002), we get a palindrome (916242619).

The spelling of 200220617 in words is "two hundred million, two hundred twenty thousand, six hundred seventeen".