20004304703287 has 2 divisors, whose sum is σ = 20004304703288. Its totient is φ = 20004304703286.

The previous prime is 20004304703249. The next prime is 20004304703297. The reversal of 20004304703287 is 78230740340002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20004304703287 - 2¹¹ = 20004304701239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20004304703297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002152351643 + 10002152351644.

It is an arithmetic number, because the mean of its divisors is an integer number (10002152351644).

Almost surely, 2^{20004304703287} is an apocalyptic number.

20004304703287 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004304703287 is an equidigital number, since it uses as much as digits as its factorization.

20004304703287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 20004304703287 in words is "twenty trillion, four billion, three hundred four million, seven hundred three thousand, two hundred eighty-seven".