200020002209 has 2 divisors, whose sum is σ = 200020002210. Its totient is φ = 200020002208.

The previous prime is 200020002181. The next prime is 200020002223. The reversal of 200020002209 is 902200020002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174322950400 + 25697051809 = 417520^2 + 160303^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020002209 - 2¹⁶ = 200019936673 is a prime.

It is not a weakly prime, because it can be changed into another prime (200020002269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010001104 + 100010001105.

It is an arithmetic number, because the mean of its divisors is an integer number (100010001105).

Almost surely, 2^200020002209 is an apocalyptic number.

It is an amenable number.

200020002209 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020002209 is an equidigital number, since it uses as much as digits as its factorization.

200020002209 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 17.

The spelling of 200020002209 in words is "two hundred billion, twenty million, two thousand, two hundred nine".