20316171 has 8 divisors (see below), whose sum is σ = 27112960. Its totient is φ = 13531752.

The previous prime is 20316161. The next prime is 20316203. The reversal of 20316171 is 17161302.

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

It is not a de Polignac number, because 20316171 - 2¹⁰ = 20315147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20316151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (3389120).

Almost surely, 2^20316171 is an apocalyptic number.

20316171 is a deficient number, since it is larger than the sum of its proper divisors (6796789).

20316171 is a wasteful number, since it uses less digits than its factorization.

20316171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6185.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 20316171 is about 4507.3463368150. The cubic root of 20316171 is about 272.8646567117.

Adding to 20316171 its reverse (17161302), we get a palindrome (37477473).

The spelling of 20316171 in words is "twenty million, three hundred sixteen thousand, one hundred seventy-one".