20568000 has 112 divisors (see below), whose sum is σ = 67994784. Its totient is φ = 5478400.

The previous prime is 20567983. The next prime is 20568001. The reversal of 20568000 is 86502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20568001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 23572 + ... + 24428.

Almost surely, 2^20568000 is an apocalyptic number.

20568000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20568000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33997392).

20568000 is an abundant number, since it is smaller than the sum of its proper divisors (47426784).

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

20568000 is an equidigital number, since it uses as much as digits as its factorization.

20568000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 20568000 is about 4535.1956958879. The cubic root of 20568000 is about 273.9874610207.

The spelling of 20568000 in words is "twenty million, five hundred sixty-eight thousand".