20242304009 has 2 divisors, whose sum is σ = 20242304010. Its totient is φ = 20242304008.

The previous prime is 20242303981. The next prime is 20242304011. The reversal of 20242304009 is 90040324202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13725294025 + 6517009984 = 117155^2 + 80728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20242304009 is a prime.

It is a Sophie Germain prime.

Together with 20242304011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20242304029) 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, 10121152004 + 10121152005.

It is an arithmetic number, because the mean of its divisors is an integer number (10121152005).

Almost surely, 2^20242304009 is an apocalyptic number.

It is an amenable number.

20242304009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20242304009 is an equidigital number, since it uses as much as digits as its factorization.

20242304009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The spelling of 20242304009 in words is "twenty billion, two hundred forty-two million, three hundred four thousand, nine".