20545300114439 has 2 divisors, whose sum is σ = 20545300114440. Its totient is φ = 20545300114438.

The previous prime is 20545300114331. The next prime is 20545300114447. The reversal of 20545300114439 is 93441100354502.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20545300114439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20545300114396 and 20545300114405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20545300114739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10272650057219 + 10272650057220.

It is an arithmetic number, because the mean of its divisors is an integer number (10272650057220).

Almost surely, 2^{20545300114439} is an apocalyptic number.

20545300114439 is a deficient number, since it is larger than the sum of its proper divisors (1).

20545300114439 is an equidigital number, since it uses as much as digits as its factorization.

20545300114439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 20545300114439 in words is "twenty trillion, five hundred forty-five billion, three hundred million, one hundred fourteen thousand, four hundred thirty-nine".