20068888 has 16 divisors (see below), whose sum is σ = 43004880. Its totient is φ = 8600928.

The previous prime is 20068871. The next prime is 20068901. The reversal of 20068888 is 88886002.

It is a self number, because there is not a number n which added to its sum of digits gives 20068888.

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, 179131 + ... + 179242.

It is an arithmetic number, because the mean of its divisors is an integer number (2687805).

Almost surely, 2^20068888 is an apocalyptic number.

20068888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20068888 is an abundant number, since it is smaller than the sum of its proper divisors (22935992).

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

20068888 is a wasteful number, since it uses less digits than its factorization.

20068888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358386 (or 358382 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 20068888 is about 4479.8312468217. The cubic root of 20068888 is about 271.7530558600.

The spelling of 20068888 in words is "twenty million, sixty-eight thousand, eight hundred eighty-eight".