20302404259 has 2 divisors, whose sum is σ = 20302404260. Its totient is φ = 20302404258.

The previous prime is 20302404217. The next prime is 20302404329. The reversal of 20302404259 is 95240420302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20302404259 - 2⁷ = 20302404131 is a prime.

It is a super-2 number, since 2×20302404259² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20302404259.

It is not a weakly prime, because it can be changed into another prime (20302402259) 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, 10151202129 + 10151202130.

It is an arithmetic number, because the mean of its divisors is an integer number (10151202130).

Almost surely, 2^20302404259 is an apocalyptic number.

20302404259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302404259 is an equidigital number, since it uses as much as digits as its factorization.

20302404259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20302404259 in words is "twenty billion, three hundred two million, four hundred four thousand, two hundred fifty-nine".