200202199997 has 2 divisors, whose sum is σ = 200202199998. Its totient is φ = 200202199996.

The previous prime is 200202199991. The next prime is 200202200047. The reversal of 200202199997 is 799991202002.

It is a happy number.

It is an a-pointer prime, because the next prime (200202200047) can be obtained adding 200202199997 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200183761561 + 18438436 = 447419^2 + 4294^2 .

It is a cyclic number.

It is not a de Polignac number, because 200202199997 - 2¹⁴ = 200202183613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200202199991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100101099998 + 100101099999.

It is an arithmetic number, because the mean of its divisors is an integer number (100101099999).

Almost surely, 2^200202199997 is an apocalyptic number.

It is an amenable number.

200202199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

200202199997 is an equidigital number, since it uses as much as digits as its factorization.

200202199997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 50.

The spelling of 200202199997 in words is "two hundred billion, two hundred two million, one hundred ninety-nine thousand, nine hundred ninety-seven".