20413103239 has 2 divisors, whose sum is σ = 20413103240. Its totient is φ = 20413103238.

The previous prime is 20413103189. The next prime is 20413103297. The reversal of 20413103239 is 93230131402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20413103239 is a prime.

It is a super-2 number, since 2×20413103239² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20413103299) 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, 10206551619 + 10206551620.

It is an arithmetic number, because the mean of its divisors is an integer number (10206551620).

Almost surely, 2^20413103239 is an apocalyptic number.

20413103239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20413103239 is an equidigital number, since it uses as much as digits as its factorization.

20413103239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 20413103239 in words is "twenty billion, four hundred thirteen million, one hundred three thousand, two hundred thirty-nine".