203020044 has 12 divisors (see below), whose sum is σ = 473713464. Its totient is φ = 67673344.

The previous prime is 203020043. The next prime is 203020049. The reversal of 203020044 is 440020302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (203020043) 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 3 ways as a sum of consecutive naturals, for example, 8459157 + ... + 8459180.

It is an arithmetic number, because the mean of its divisors is an integer number (39476122).

Almost surely, 2^203020044 is an apocalyptic number.

It is an amenable number.

203020044 is an abundant number, since it is smaller than the sum of its proper divisors (270693420).

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

203020044 is a wasteful number, since it uses less digits than its factorization.

203020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16918344 (or 16918342 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 203020044 is about 14248.5102379161. The cubic root of 203020044 is about 587.7324086682.

Adding to 203020044 its reverse (440020302), we get a palindrome (643040346).

The spelling of 203020044 in words is "two hundred three million, twenty thousand, forty-four".