20062171 has 4 divisors (see below), whose sum is σ = 20754000. Its totient is φ = 19370344.

The previous prime is 20062169. The next prime is 20062181. The reversal of 20062171 is 17126002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17126002 = 2 ⋅8563001.

It is a cyclic number.

It is not a de Polignac number, because 20062171 - 2¹ = 20062169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20062111) 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, 345871 + ... + 345928.

It is an arithmetic number, because the mean of its divisors is an integer number (5188500).

Almost surely, 2^20062171 is an apocalyptic number.

20062171 is a deficient number, since it is larger than the sum of its proper divisors (691829).

20062171 is an equidigital number, since it uses as much as digits as its factorization.

20062171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691828.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 20062171 is about 4479.0814906630. The cubic root of 20062171 is about 271.7227341507.

Adding to 20062171 its reverse (17126002), we get a palindrome (37188173).

The spelling of 20062171 in words is "twenty million, sixty-two thousand, one hundred seventy-one".