20717325955095 has 32 divisors (see below), whose sum is σ = 41327029440000. Its totient is φ = 8609797799040.

The previous prime is 20717325955043. The next prime is 20717325955099. The reversal of 20717325955095 is 59055952371702.

It is not a de Polignac number, because 20717325955095 - 2¹⁰ = 20717325954071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20717325955099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8968538220 + ... + 8968540529.

It is an arithmetic number, because the mean of its divisors is an integer number (1291469670000).

Almost surely, 2^{20717325955095} is an apocalyptic number.

20717325955095 is a deficient number, since it is larger than the sum of its proper divisors (20609703484905).

20717325955095 is a wasteful number, since it uses less digits than its factorization.

20717325955095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17937078775.

The product of its (nonzero) digits is 29767500, while the sum is 60.

The spelling of 20717325955095 in words is "twenty trillion, seven hundred seventeen billion, three hundred twenty-five million, nine hundred fifty-five thousand, ninety-five".