200031320 has 16 divisors (see below), whose sum is σ = 450070560. Its totient is φ = 80012512.

The previous prime is 200031317. The next prime is 200031323. The reversal of 200031320 is 23130002.

It is an interprime number because it is at equal distance from previous prime (200031317) and next prime (200031323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2500352 + ... + 2500431.

It is an arithmetic number, because the mean of its divisors is an integer number (28129410).

Almost surely, 2^200031320 is an apocalyptic number.

200031320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200031320 is an abundant number, since it is smaller than the sum of its proper divisors (250039240).

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

200031320 is a wasteful number, since it uses less digits than its factorization.

200031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000794 (or 5000790 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 200031320 is about 14143.2429096017. The cubic root of 200031320 is about 584.8340727944.

Adding to 200031320 its reverse (23130002), we get a palindrome (223161322).

The spelling of 200031320 in words is "two hundred million, thirty-one thousand, three hundred twenty".