20023262459 has 2 divisors, whose sum is σ = 20023262460. Its totient is φ = 20023262458.

The previous prime is 20023262449. The next prime is 20023262471. The reversal of 20023262459 is 95426232002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023262459 - 2⁴ = 20023262443 is a prime.

It is not a weakly prime, because it can be changed into another prime (20023262429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011631229 + 10011631230.

It is an arithmetic number, because the mean of its divisors is an integer number (10011631230).

Almost surely, 2^20023262459 is an apocalyptic number.

20023262459 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023262459 is an equidigital number, since it uses as much as digits as its factorization.

20023262459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 20023262459 in words is "twenty billion, twenty-three million, two hundred sixty-two thousand, four hundred fifty-nine".