2003442112 has 112 divisors (see below), whose sum is σ = 4835712960. Its totient is φ = 803930112.

The previous prime is 2003442101. The next prime is 2003442151. The reversal of 2003442112 is 2112443002.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×2003442112² = 8027560592270041088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2003442112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1773964 + ... + 1775092.

Almost surely, 2^2003442112 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 2003442112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2417856480).

2003442112 is an abundant number, since it is smaller than the sum of its proper divisors (2832270848).

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

2003442112 is a wasteful number, since it uses less digits than its factorization.

2003442112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398 (or 1388 counting only the distinct ones).

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

The square root of 2003442112 is about 44759.8269880481. The cubic root of 2003442112 is about 1260.6434338596.

Adding to 2003442112 its reverse (2112443002), we get a palindrome (4115885114).

The spelling of 2003442112 in words is "two billion, three million, four hundred forty-two thousand, one hundred twelve".