204021044 has 24 divisors (see below), whose sum is σ = 369132288. Its totient is φ = 98565120.

The previous prime is 204020987. The next prime is 204021049. The reversal of 204021044 is 440120402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204021049) 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, 142259 + ... + 143685.

It is an arithmetic number, because the mean of its divisors is an integer number (15380512).

Almost surely, 2^204021044 is an apocalyptic number.

It is an amenable number.

204021044 is a deficient number, since it is larger than the sum of its proper divisors (165111244).

204021044 is a wasteful number, since it uses less digits than its factorization.

204021044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 204021044 is about 14283.5935254403. The cubic root of 204021044 is about 588.6967730004.

Adding to 204021044 its reverse (440120402), we get a palindrome (644141446).

The spelling of 204021044 in words is "two hundred four million, twenty-one thousand, forty-four".