20079582427 has 2 divisors, whose sum is σ = 20079582428. Its totient is φ = 20079582426.

The previous prime is 20079582407. The next prime is 20079582431. The reversal of 20079582427 is 72428597002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20079582427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20079582407) 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, 10039791213 + 10039791214.

It is an arithmetic number, because the mean of its divisors is an integer number (10039791214).

Almost surely, 2^20079582427 is an apocalyptic number.

20079582427 is a deficient number, since it is larger than the sum of its proper divisors (1).

20079582427 is an equidigital number, since it uses as much as digits as its factorization.

20079582427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 20079582427 in words is "twenty billion, seventy-nine million, five hundred eighty-two thousand, four hundred twenty-seven".