200430172 has 12 divisors (see below), whose sum is σ = 354158896. Its totient is φ = 99241920.

The previous prime is 200430161. The next prime is 200430193. The reversal of 200430172 is 271034002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242829 + ... + 243652.

Almost surely, 2^200430172 is an apocalyptic number.

It is an amenable number.

200430172 is a deficient number, since it is larger than the sum of its proper divisors (153728724).

200430172 is a wasteful number, since it uses less digits than its factorization.

200430172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486588 (or 486586 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 200430172 is about 14157.3363313866. The cubic root of 200430172 is about 585.2225242521. Note that the first 3 decimals are identical.

Adding to 200430172 its reverse (271034002), we get a palindrome (471464174).

The spelling of 200430172 in words is "two hundred million, four hundred thirty thousand, one hundred seventy-two".