20004264659 has 2 divisors, whose sum is σ = 20004264660. Its totient is φ = 20004264658.

The previous prime is 20004264649. The next prime is 20004264661. The reversal of 20004264659 is 95646240002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20004264659 - 2¹⁶ = 20004199123 is a prime.

Together with 20004264661, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20004264649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10002132329 + 10002132330.

It is an arithmetic number, because the mean of its divisors is an integer number (10002132330).

Almost surely, 2^20004264659 is an apocalyptic number.

20004264659 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004264659 is an equidigital number, since it uses as much as digits as its factorization.

20004264659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 20004264659 in words is "twenty billion, four million, two hundred sixty-four thousand, six hundred fifty-nine".