20004258559 has 2 divisors, whose sum is σ = 20004258560. Its totient is φ = 20004258558.

The previous prime is 20004258557. The next prime is 20004258611. The reversal of 20004258559 is 95585240002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20004258559 - 2¹ = 20004258557 is a prime.

Together with 20004258557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20004258557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002129279 + 10002129280.

It is an arithmetic number, because the mean of its divisors is an integer number (10002129280).

Almost surely, 2^20004258559 is an apocalyptic number.

20004258559 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004258559 is an equidigital number, since it uses as much as digits as its factorization.

20004258559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 20004258559 in words is "twenty billion, four million, two hundred fifty-eight thousand, five hundred fifty-nine".