203201144 has 32 divisors (see below), whose sum is σ = 403326000. Its totient is φ = 95811072.

The previous prime is 203201111. The next prime is 203201147. The reversal of 203201144 is 441102302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203201147) 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 7 ways as a sum of consecutive naturals, for example, 209 + ... + 20160.

Almost surely, 2^203201144 is an apocalyptic number.

It is an amenable number.

203201144 is a deficient number, since it is larger than the sum of its proper divisors (200124856).

203201144 is a wasteful number, since it uses less digits than its factorization.

203201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447 (or 20443 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 203201144 is about 14254.8638716755. The cubic root of 203201144 is about 587.9071150733.

Adding to 203201144 its reverse (441102302), we get a palindrome (644303446).

The spelling of 203201144 in words is "two hundred three million, two hundred one thousand, one hundred forty-four".