200431224 has 192 divisors, whose sum is σ = 665496000. Its totient is φ = 53194752.

The previous prime is 200431211. The next prime is 200431261. The reversal of 200431224 is 422134002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200431197 and 200431206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1276554 + ... + 1276710.

It is an arithmetic number, because the mean of its divisors is an integer number (3466125).

Almost surely, 2^200431224 is an apocalyptic number.

200431224 is a gapful number since it is divisible by the number (24) 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 200431224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332748000).

200431224 is an abundant number, since it is smaller than the sum of its proper divisors (465064776).

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

200431224 is a wasteful number, since it uses less digits than its factorization.

200431224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 200431224 is about 14157.3734852196. The cubic root of 200431224 is about 585.2235481383.

Adding to 200431224 its reverse (422134002), we get a palindrome (622565226).

The spelling of 200431224 in words is "two hundred million, four hundred thirty-one thousand, two hundred twenty-four".