20004424313 has 2 divisors, whose sum is σ = 20004424314. Its totient is φ = 20004424312.

The previous prime is 20004424309. The next prime is 20004424327. The reversal of 20004424313 is 31342440002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12939517504 + 7064906809 = 113752^2 + 84053^2 .

It is a cyclic number.

It is not a de Polignac number, because 20004424313 - 2² = 20004424309 is a prime.

It is not a weakly prime, because it can be changed into another prime (20004424333) 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, 10002212156 + 10002212157.

It is an arithmetic number, because the mean of its divisors is an integer number (10002212157).

Almost surely, 2^20004424313 is an apocalyptic number.

It is an amenable number.

20004424313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004424313 is an equidigital number, since it uses as much as digits as its factorization.

20004424313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20004424313 its reverse (31342440002), we get a palindrome (51346864315).

The spelling of 20004424313 in words is "twenty billion, four million, four hundred twenty-four thousand, three hundred thirteen".