20010171 has 8 divisors (see below), whose sum is σ = 26705920. Its totient is φ = 13327272.

The previous prime is 20010157. The next prime is 20010187. The reversal of 20010171 is 17101002.

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

It is not a de Polignac number, because 20010171 - 2⁹ = 20009659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350 + ... + 6468.

It is an arithmetic number, because the mean of its divisors is an integer number (3338240).

Almost surely, 2^20010171 is an apocalyptic number.

20010171 is a deficient number, since it is larger than the sum of its proper divisors (6695749).

20010171 is a wasteful number, since it uses less digits than its factorization.

20010171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6425.

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 20010171 is about 4473.2729628316. The cubic root of 20010171 is about 271.4877677642.

Adding to 20010171 its reverse (17101002), we get a palindrome (37111173).

The spelling of 20010171 in words is "twenty million, ten thousand, one hundred seventy-one".