200245864 has 128 divisors (see below), whose sum is σ = 503193600. Its totient is φ = 72472320.

The previous prime is 200245861. The next prime is 200245867. The reversal of 200245864 is 468542002.

It is an interprime number because it is at equal distance from previous prime (200245861) and next prime (200245867).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (200245861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428559 + ... + 429025.

It is an arithmetic number, because the mean of its divisors is an integer number (3931200).

Almost surely, 2^200245864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200245864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251596800).

200245864 is an abundant number, since it is smaller than the sum of its proper divisors (302947736).

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

200245864 is a wasteful number, since it uses less digits than its factorization.

200245864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 200245864 is about 14150.8255589559. The cubic root of 200245864 is about 585.0430864118.

Adding to 200245864 its reverse (468542002), we get a palindrome (668787866).

The spelling of 200245864 in words is "two hundred million, two hundred forty-five thousand, eight hundred sixty-four".