203420224 has 28 divisors (see below), whose sum is σ = 461329024. Its totient is φ = 87179904.

The previous prime is 203420209. The next prime is 203420237. The reversal of 203420224 is 422024302.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 226584 + ... + 227479.

Almost surely, 2^203420224 is an apocalyptic number.

It is an amenable number.

203420224 is an abundant number, since it is smaller than the sum of its proper divisors (257908800).

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

203420224 is an equidigital number, since it uses as much as digits as its factorization.

203420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454082 (or 454072 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 203420224 is about 14262.5461962442. The cubic root of 203420224 is about 588.1183219397.

Adding to 203420224 its reverse (422024302), we get a palindrome (625444526).

The spelling of 203420224 in words is "two hundred three million, four hundred twenty thousand, two hundred twenty-four".