200331144 has 96 divisors (see below), whose sum is σ = 606016320. Its totient is φ = 61632576.

The previous prime is 200331143. The next prime is 200331191. The reversal of 200331144 is 441133002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200331143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21309 + ... + 29235.

It is an arithmetic number, because the mean of its divisors is an integer number (6312670).

Almost surely, 2^200331144 is an apocalyptic number.

200331144 is a gapful number since it is divisible by the number (24) 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 200331144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303008160).

200331144 is an abundant number, since it is smaller than the sum of its proper divisors (405685176).

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

200331144 is a wasteful number, since it uses less digits than its factorization.

200331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961 (or 7945 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 200331144 is about 14153.8384899645. The cubic root of 200331144 is about 585.1261266512.

Adding to 200331144 its reverse (441133002), we get a palindrome (641464146).

The spelling of 200331144 in words is "two hundred million, three hundred thirty-one thousand, one hundred forty-four".