20117630722701 has 16 divisors (see below), whose sum is σ = 27153738843840. Its totient is φ = 13247272051200.

The previous prime is 20117630722691. The next prime is 20117630722711. The reversal of 20117630722701 is 10722703671102.

It is an interprime number because it is at equal distance from previous prime (20117630722691) and next prime (20117630722711).

It is a de Polignac number, because none of the positive numbers 2^k-20117630722701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20117630722701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20117630722711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79103140 + ... + 79357053.

It is an arithmetic number, because the mean of its divisors is an integer number (1697108677740).

Almost surely, 2^{20117630722701} is an apocalyptic number.

It is an amenable number.

20117630722701 is a deficient number, since it is larger than the sum of its proper divisors (7036108121139).

20117630722701 is a wasteful number, since it uses less digits than its factorization.

20117630722701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158460716.

The product of its (nonzero) digits is 49392, while the sum is 39.

The spelling of 20117630722701 in words is "twenty trillion, one hundred seventeen billion, six hundred thirty million, seven hundred twenty-two thousand, seven hundred one".