20320011259 has 2 divisors, whose sum is σ = 20320011260. Its totient is φ = 20320011258.

The previous prime is 20320011253. The next prime is 20320011269. The reversal of 20320011259 is 95211002302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20320011259 - 2³ = 20320011251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20320011251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160005629 + 10160005630.

It is an arithmetic number, because the mean of its divisors is an integer number (10160005630).

Almost surely, 2^20320011259 is an apocalyptic number.

20320011259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320011259 is an equidigital number, since it uses as much as digits as its factorization.

20320011259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 20320011259 in words is "twenty billion, three hundred twenty million, eleven thousand, two hundred fifty-nine".