200200220261 has 2 divisors, whose sum is σ = 200200220262. Its totient is φ = 200200220260.

The previous prime is 200200220161. The next prime is 200200220303. The reversal of 200200220261 is 162022002002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179242156900 + 20958063361 = 423370^2 + 144769^2 .

It is a cyclic number.

It is not a de Polignac number, because 200200220261 - 2¹⁰ = 200200219237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200200220161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100110130 + 100100110131.

It is an arithmetic number, because the mean of its divisors is an integer number (100100110131).

Almost surely, 2^200200220261 is an apocalyptic number.

It is an amenable number.

200200220261 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200220261 is an equidigital number, since it uses as much as digits as its factorization.

200200220261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 200200220261 its reverse (162022002002), we get a palindrome (362222222263).

The spelling of 200200220261 in words is "two hundred billion, two hundred million, two hundred twenty thousand, two hundred sixty-one".