200442424 has 64 divisors (see below), whose sum is σ = 482711040. Its totient is φ = 75841920.

The previous prime is 200442421. The next prime is 200442433. The reversal of 200442424 is 424244002.

It is a junction number, because it is equal to n+sod(n) for n = 200442395 and 200442404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200442421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10759 + ... + 22729.

It is an arithmetic number, because the mean of its divisors is an integer number (7542360).

Almost surely, 2^200442424 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 200442424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241355520).

200442424 is an abundant number, since it is smaller than the sum of its proper divisors (282268616).

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

200442424 is a wasteful number, since it uses less digits than its factorization.

200442424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12020 (or 12016 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 200442424 is about 14157.7690332905. The cubic root of 200442424 is about 585.2344486050.

Adding to 200442424 its reverse (424244002), we get a palindrome (624686426).

The spelling of 200442424 in words is "two hundred million, four hundred forty-two thousand, four hundred twenty-four".