20002168 has 16 divisors (see below), whose sum is σ = 37980000. Its totient is φ = 9874176.

The previous prime is 20002159. The next prime is 20002187. The reversal of 20002168 is 86120002.

It is a happy number.

20002168 is a modest number, since divided by 2168 gives 200 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15193 + ... + 16456.

It is an arithmetic number, because the mean of its divisors is an integer number (2373750).

Almost surely, 2^20002168 is an apocalyptic number.

It is an amenable number.

20002168 is a deficient number, since it is larger than the sum of its proper divisors (17977832).

20002168 is a wasteful number, since it uses less digits than its factorization.

20002168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31734 (or 31730 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20002168 is about 4472.3783381999. The cubic root of 20002168 is about 271.4515694008.

The spelling of 20002168 in words is "twenty million, two thousand, one hundred sixty-eight".