204220310013287 has 2 divisors, whose sum is σ = 204220310013288. Its totient is φ = 204220310013286.

The previous prime is 204220310013221. The next prime is 204220310013383. The reversal of 204220310013287 is 782310013022402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204220310013287 - 2¹⁰ = 204220310012263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204220310013487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102110155006643 + 102110155006644.

It is an arithmetic number, because the mean of its divisors is an integer number (102110155006644).

Almost surely, 2^{204220310013287} is an apocalyptic number.

204220310013287 is a deficient number, since it is larger than the sum of its proper divisors (1).

204220310013287 is an equidigital number, since it uses as much as digits as its factorization.

204220310013287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 204220310013287 its reverse (782310013022402), we get a palindrome (986530323035689).

The spelling of 204220310013287 in words is "two hundred four trillion, two hundred twenty billion, three hundred ten million, thirteen thousand, two hundred eighty-seven".