203244112 has 40 divisors (see below), whose sum is σ = 419176296. Its totient is φ = 95133696.

The previous prime is 203244109. The next prime is 203244113. The reversal of 203244112 is 211442302.

It can be written as a sum of positive squares in 4 ways, for example, as 82156096 + 121088016 = 9064^2 + 11004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 203244112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203244113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51688 + ... + 55480.

Almost surely, 2^203244112 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 203244112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209588148).

203244112 is an abundant number, since it is smaller than the sum of its proper divisors (215932184).

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

203244112 is a wasteful number, since it uses less digits than its factorization.

203244112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015 (or 4009 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 203244112 is about 14256.3709267120. The cubic root of 203244112 is about 587.9485508843.

Adding to 203244112 its reverse (211442302), we get a palindrome (414686414).

The spelling of 203244112 in words is "two hundred three million, two hundred forty-four thousand, one hundred twelve".