203242430224 has 20 divisors (see below), whose sum is σ = 416945868444. Its totient is φ = 95643496448.

The previous prime is 203242430213. The next prime is 203242430231. The reversal of 203242430224 is 422034242302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 156474042624 + 46768387600 = 395568^2 + 216260^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203242430192 and 203242430201.

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, 373607137 + ... + 373607680.

Almost surely, 2^203242430224 is an apocalyptic number.

It is an amenable number.

203242430224 is an abundant number, since it is smaller than the sum of its proper divisors (213703438220).

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

203242430224 is a wasteful number, since it uses less digits than its factorization.

203242430224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747214842 (or 747214836 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 203242430224 its reverse (422034242302), we get a palindrome (625276672526).

The spelling of 203242430224 in words is "two hundred three billion, two hundred forty-two million, four hundred thirty thousand, two hundred twenty-four".