20886068 has 12 divisors (see below), whose sum is σ = 41772192. Its totient is φ = 8951160.

The previous prime is 20886049. The next prime is 20886083. The reversal of 20886068 is 86068802.

20886068 is an admirable number.

It is a super-3 number, since 3×20886068³ (a number of 23 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 372938 + ... + 372993.

It is an arithmetic number, because the mean of its divisors is an integer number (3481016).

Almost surely, 2^20886068 is an apocalyptic number.

20886068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20886068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20886068 is a wasteful number, since it uses less digits than its factorization.

20886068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745942 (or 745940 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 20886068 is about 4570.1277881477. The cubic root of 20886068 is about 275.3925765005.

The spelling of 20886068 in words is "twenty million, eight hundred eighty-six thousand, sixty-eight".