20160210117 has 4 divisors (see below), whose sum is σ = 26880280160. Its totient is φ = 13440140076.

The previous prime is 20160210113. The next prime is 20160210149. The reversal of 20160210117 is 71101206102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20160210117 - 2² = 20160210113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20160210093 and 20160210102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160210113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3360035017 + ... + 3360035022.

It is an arithmetic number, because the mean of its divisors is an integer number (6720070040).

Almost surely, 2^20160210117 is an apocalyptic number.

It is an amenable number.

20160210117 is a deficient number, since it is larger than the sum of its proper divisors (6720070043).

20160210117 is an equidigital number, since it uses as much as digits as its factorization.

20160210117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6720070042.

The product of its (nonzero) digits is 168, while the sum is 21.

Adding to 20160210117 its reverse (71101206102), we get a palindrome (91261416219).

The spelling of 20160210117 in words is "twenty billion, one hundred sixty million, two hundred ten thousand, one hundred seventeen".