20760355123199 has 4 divisors (see below), whose sum is σ = 20760622225464. Its totient is φ = 20760088020936.

The previous prime is 20760355123187. The next prime is 20760355123229. The reversal of 20760355123199 is 99132155306702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20760355123199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20760355123199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20760355123129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133434512 + ... + 133590005.

It is an arithmetic number, because the mean of its divisors is an integer number (5190155556366).

Almost surely, 2^{20760355123199} is an apocalyptic number.

20760355123199 is a deficient number, since it is larger than the sum of its proper divisors (267102265).

20760355123199 is an equidigital number, since it uses as much as digits as its factorization.

20760355123199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267102264.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 20760355123199 in words is "twenty trillion, seven hundred sixty billion, three hundred fifty-five million, one hundred twenty-three thousand, one hundred ninety-nine".