20302322279 has 2 divisors, whose sum is σ = 20302322280. Its totient is φ = 20302322278.

The previous prime is 20302322213. The next prime is 20302322303. The reversal of 20302322279 is 97222320302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20302322279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20302322179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151161139 + 10151161140.

It is an arithmetic number, because the mean of its divisors is an integer number (10151161140).

Almost surely, 2^20302322279 is an apocalyptic number.

20302322279 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302322279 is an equidigital number, since it uses as much as digits as its factorization.

20302322279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The spelling of 20302322279 in words is "twenty billion, three hundred two million, three hundred twenty-two thousand, two hundred seventy-nine".