200031700 has 72 divisors (see below), whose sum is σ = 484656480. Its totient is φ = 71030400.

The previous prime is 200031679. The next prime is 200031701. The reversal of 200031700 is 7130002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45186 + ... + 49414.

It is an arithmetic number, because the mean of its divisors is an integer number (6731340).

Almost surely, 2^200031700 is an apocalyptic number.

200031700 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 200031700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242328240).

200031700 is an abundant number, since it is smaller than the sum of its proper divisors (284624780).

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

200031700 is a wasteful number, since it uses less digits than its factorization.

200031700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297 (or 4290 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 200031700 is about 14143.2563435724. The cubic root of 200031700 is about 584.8344431311.

Adding to 200031700 its reverse (7130002), we get a palindrome (207161702).

The spelling of 200031700 in words is "two hundred million, thirty-one thousand, seven hundred".