20048579 has 2 divisors, whose sum is σ = 20048580. Its totient is φ = 20048578.

The previous prime is 20048551. The next prime is 20048597. The reversal of 20048579 is 97584002.

It is a happy number.

Together with next prime (20048597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20048579 - 2¹⁶ = 19983043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20048519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10024289 + 10024290.

It is an arithmetic number, because the mean of its divisors is an integer number (10024290).

Almost surely, 2^20048579 is an apocalyptic number.

20048579 is a deficient number, since it is larger than the sum of its proper divisors (1).

20048579 is an equidigital number, since it uses as much as digits as its factorization.

20048579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 20048579 is about 4477.5639582255. The cubic root of 20048579 is about 271.6613567825.

The spelling of 20048579 in words is "twenty million, forty-eight thousand, five hundred seventy-nine".