20579461307 has 2 divisors, whose sum is σ = 20579461308. Its totient is φ = 20579461306.

The previous prime is 20579461249. The next prime is 20579461327. The reversal of 20579461307 is 70316497502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20579461307 - 2¹⁸ = 20579199163 is a prime.

It is not a weakly prime, because it can be changed into another prime (20579461327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10289730653 + 10289730654.

It is an arithmetic number, because the mean of its divisors is an integer number (10289730654).

Almost surely, 2^20579461307 is an apocalyptic number.

20579461307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20579461307 is an equidigital number, since it uses as much as digits as its factorization.

20579461307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 20579461307 in words is "twenty billion, five hundred seventy-nine million, four hundred sixty-one thousand, three hundred seven".