200431056 has 80 divisors (see below), whose sum is σ = 598961664. Its totient is φ = 56568192.

The previous prime is 200431043. The next prime is 200431069. The reversal of 200431056 is 650134002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200431043) and next prime (200431069).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24295 + ... + 31481.

Almost surely, 2^200431056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200431056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299480832).

200431056 is an abundant number, since it is smaller than the sum of its proper divisors (398530608).

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

200431056 is a wasteful number, since it uses less digits than its factorization.

200431056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7288 (or 7282 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 200431056 is about 14157.3675519144. The cubic root of 200431056 is about 585.2233846282.

Adding to 200431056 its reverse (650134002), we get a palindrome (850565058).

The spelling of 200431056 in words is "two hundred million, four hundred thirty-one thousand, fifty-six".