20410304009 has 2 divisors, whose sum is σ = 20410304010. Its totient is φ = 20410304008.

The previous prime is 20410303999. The next prime is 20410304093. The reversal of 20410304009 is 90040301402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20403265600 + 7038409 = 142840^2 + 2653^2 .

It is a cyclic number.

It is not a de Polignac number, because 20410304009 - 2¹⁶ = 20410238473 is a prime.

It is not a weakly prime, because it can be changed into another prime (20410304099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10205152004 + 10205152005.

It is an arithmetic number, because the mean of its divisors is an integer number (10205152005).

Almost surely, 2^20410304009 is an apocalyptic number.

It is an amenable number.

20410304009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20410304009 is an equidigital number, since it uses as much as digits as its factorization.

20410304009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The spelling of 20410304009 in words is "twenty billion, four hundred ten million, three hundred four thousand, nine".