20341244009 has 2 divisors, whose sum is σ = 20341244010. Its totient is φ = 20341244008.

The previous prime is 20341243961. The next prime is 20341244051. The reversal of 20341244009 is 90044214302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20266369600 + 74874409 = 142360^2 + 8653^2 .

It is a cyclic number.

It is not a de Polignac number, because 20341244009 - 2²⁴ = 20324466793 is a prime.

It is not a weakly prime, because it can be changed into another prime (20341244509) 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, 10170622004 + 10170622005.

It is an arithmetic number, because the mean of its divisors is an integer number (10170622005).

Almost surely, 2^20341244009 is an apocalyptic number.

It is an amenable number.

20341244009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20341244009 is an equidigital number, since it uses as much as digits as its factorization.

20341244009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 20341244009 in words is "twenty billion, three hundred forty-one million, two hundred forty-four thousand, nine".