200320193917 has 2 divisors, whose sum is σ = 200320193918. Its totient is φ = 200320193916.

The previous prime is 200320193803. The next prime is 200320193921. The reversal of 200320193917 is 719391023002.

It is a happy number.

200320193917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115810215481 + 84509978436 = 340309^2 + 290706^2 .

It is a cyclic number.

It is not a de Polignac number, because 200320193917 - 2¹⁹ = 200319669629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200320193977) 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, 100160096958 + 100160096959.

It is an arithmetic number, because the mean of its divisors is an integer number (100160096959).

Almost surely, 2^200320193917 is an apocalyptic number.

It is an amenable number.

200320193917 is a deficient number, since it is larger than the sum of its proper divisors (1).

200320193917 is an equidigital number, since it uses as much as digits as its factorization.

200320193917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The spelling of 200320193917 in words is "two hundred billion, three hundred twenty million, one hundred ninety-three thousand, nine hundred seventeen".