203030056 has 16 divisors (see below), whose sum is σ = 380942100. Its totient is φ = 101445504.

The previous prime is 203029927. The next prime is 203030057. The reversal of 203030056 is 650030302.

203030056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 177688900 + 25341156 = 13330^2 + 5034^2 .

It is not an unprimeable number, because it can be changed into a prime (203030057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4986 + ... + 20758.

Almost surely, 2^203030056 is an apocalyptic number.

It is an amenable number.

203030056 is a deficient number, since it is larger than the sum of its proper divisors (177912044).

203030056 is a wasteful number, since it uses less digits than its factorization.

203030056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17388 (or 17384 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 203030056 is about 14248.8615685605. The cubic root of 203030056 is about 587.7420699148.

Adding to 203030056 its reverse (650030302), we get a palindrome (853060358).

The spelling of 203030056 in words is "two hundred three million, thirty thousand, fifty-six".