20068863 has 8 divisors (see below), whose sum is σ = 26794800. Its totient is φ = 13361088.

The previous prime is 20068849. The next prime is 20068871. The reversal of 20068863 is 36886002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20068863 - 2⁶ = 20068799 is a prime.

It is a super-2 number, since 2×20068863² = 805518524225538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20068063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (3349350).

Almost surely, 2^20068863 is an apocalyptic number.

20068863 is a deficient number, since it is larger than the sum of its proper divisors (6725937).

20068863 is an equidigital number, since it uses as much as digits as its factorization.

20068863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9081.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 20068863 is about 4479.8284565371. The cubic root of 20068863 is about 271.7529430181.

The spelling of 20068863 in words is "twenty million, sixty-eight thousand, eight hundred sixty-three".