20345032403039 has 2 divisors, whose sum is σ = 20345032403040. Its totient is φ = 20345032403038.

The previous prime is 20345032403023. The next prime is 20345032403089. The reversal of 20345032403039 is 93030423054302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20345032403039 - 2⁴ = 20345032403023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20345032402993 and 20345032403011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20345032403089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172516201519 + 10172516201520.

It is an arithmetic number, because the mean of its divisors is an integer number (10172516201520).

Almost surely, 2^{20345032403039} is an apocalyptic number.

20345032403039 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345032403039 is an equidigital number, since it uses as much as digits as its factorization.

20345032403039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 20345032403039 in words is "twenty trillion, three hundred forty-five billion, thirty-two million, four hundred three thousand, thirty-nine".