200643268 has 48 divisors (see below), whose sum is σ = 425779200. Its totient is φ = 80814240.

The previous prime is 200643229. The next prime is 200643269. The reversal of 200643268 is 862346002.

It is not an unprimeable number, because it can be changed into a prime (200643269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68253 + ... + 71131.

It is an arithmetic number, because the mean of its divisors is an integer number (8870400).

Almost surely, 2^200643268 is an apocalyptic number.

200643268 is a gapful number since it is divisible by the number (28) 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 200643268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212889600).

200643268 is an abundant number, since it is smaller than the sum of its proper divisors (225135932).

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

200643268 is a wasteful number, since it uses less digits than its factorization.

200643268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3038 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 200643268 is about 14164.8603240554. The cubic root of 200643268 is about 585.4298523329.

It can be divided in two parts, 20064 and 3268, that added together give a palindrome (23332).

The spelling of 200643268 in words is "two hundred million, six hundred forty-three thousand, two hundred sixty-eight".