20701275117 has 8 divisors (see below), whose sum is σ = 28553483040. Its totient is φ = 13324958640.

The previous prime is 20701275061. The next prime is 20701275169. The reversal of 20701275117 is 71157210702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20701275117 - 2⁶ = 20701275053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20701285117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118972759 + ... + 118972932.

It is an arithmetic number, because the mean of its divisors is an integer number (3569185380).

Almost surely, 2^20701275117 is an apocalyptic number.

It is an amenable number.

20701275117 is a deficient number, since it is larger than the sum of its proper divisors (7852207923).

20701275117 is a wasteful number, since it uses less digits than its factorization.

20701275117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237945723.

The product of its (nonzero) digits is 6860, while the sum is 33.

Adding to 20701275117 its reverse (71157210702), we get a palindrome (91858485819).

The spelling of 20701275117 in words is "twenty billion, seven hundred one million, two hundred seventy-five thousand, one hundred seventeen".