20366322679 has 2 divisors, whose sum is σ = 20366322680. Its totient is φ = 20366322678.

The previous prime is 20366322653. The next prime is 20366322689. The reversal of 20366322679 is 97622366302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20366322679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20366322689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10183161339 + 10183161340.

It is an arithmetic number, because the mean of its divisors is an integer number (10183161340).

Almost surely, 2^20366322679 is an apocalyptic number.

20366322679 is a deficient number, since it is larger than the sum of its proper divisors (1).

20366322679 is an equidigital number, since it uses as much as digits as its factorization.

20366322679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 20366322679 in words is "twenty billion, three hundred sixty-six million, three hundred twenty-two thousand, six hundred seventy-nine".