20020068 has 24 divisors (see below), whose sum is σ = 51904160. Its totient is φ = 6673320.

The previous prime is 20020027. The next prime is 20020093. The reversal of 20020068 is 86002002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 20020068.

It is an unprimeable number.

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, 92578 + ... + 92793.

Almost surely, 2^20020068 is an apocalyptic number.

It is an amenable number.

20020068 is an abundant number, since it is smaller than the sum of its proper divisors (31884092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020068 is a wasteful number, since it uses less digits than its factorization.

20020068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185384 (or 185376 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 20020068 is about 4474.3790630656. The cubic root of 20020068 is about 271.5325195320.

The spelling of 20020068 in words is "twenty million, twenty thousand, sixty-eight".