200431340 has 12 divisors (see below), whose sum is σ = 420905856. Its totient is φ = 80172528.

The previous prime is 200431339. The next prime is 200431349. The reversal of 200431340 is 43134002.

It is not an unprimeable number, because it can be changed into a prime (200431349) 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 3 ways as a sum of consecutive naturals, for example, 5010764 + ... + 5010803.

It is an arithmetic number, because the mean of its divisors is an integer number (35075488).

Almost surely, 2^200431340 is an apocalyptic number.

200431340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200431340 is an abundant number, since it is smaller than the sum of its proper divisors (220474516).

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

200431340 is a wasteful number, since it uses less digits than its factorization.

200431340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10021576 (or 10021574 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 200431340 is about 14157.3775820242. The cubic root of 200431340 is about 585.2236610380.

Adding to 200431340 its reverse (43134002), we get a palindrome (243565342).

The spelling of 200431340 in words is "two hundred million, four hundred thirty-one thousand, three hundred forty".