20004124313 has 2 divisors, whose sum is σ = 20004124314. Its totient is φ = 20004124312.

The previous prime is 20004124303. The next prime is 20004124367. The reversal of 20004124313 is 31342140002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16376832784 + 3627291529 = 127972^2 + 60227^2 .

It is a cyclic number.

It is not a de Polignac number, because 20004124313 - 2²⁴ = 19987347097 is a prime.

It is not a weakly prime, because it can be changed into another prime (20004124303) 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, 10002062156 + 10002062157.

It is an arithmetic number, because the mean of its divisors is an integer number (10002062157).

Almost surely, 2^20004124313 is an apocalyptic number.

It is an amenable number.

20004124313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20004124313 is an equidigital number, since it uses as much as digits as its factorization.

20004124313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20004124313 its reverse (31342140002), we get a palindrome (51346264315).

The spelling of 20004124313 in words is "twenty billion, four million, one hundred twenty-four thousand, three hundred thirteen".