20068885 has 16 divisors (see below), whose sum is σ = 24837120. Its totient is φ = 15557760.

The previous prime is 20068871. The next prime is 20068901. The reversal of 20068885 is 58886002.

It is not a de Polignac number, because 20068885 - 2⁷ = 20068757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45496 + ... + 45934.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 2^20068885 is an apocalyptic number.

It is an amenable number.

20068885 is a deficient number, since it is larger than the sum of its proper divisors (4768235).

20068885 is a wasteful number, since it uses less digits than its factorization.

20068885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 20068885 is about 4479.8309119876. The cubic root of 20068885 is about 271.7530423189.

The spelling of 20068885 in words is "twenty million, sixty-eight thousand, eight hundred eighty-five".