204442044020 has 72 divisors (see below), whose sum is σ = 462680396640. Its totient is φ = 75670822080.

The previous prime is 204442044011. The next prime is 204442044071. The reversal of 204442044020 is 20440244402.

204442044020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 557135 + ... + 848105.

It is an arithmetic number, because the mean of its divisors is an integer number (6426116620).

Almost surely, 2^204442044020 is an apocalyptic number.

204442044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204442044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231340198320).

204442044020 is an abundant number, since it is smaller than the sum of its proper divisors (258238352620).

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

204442044020 is a wasteful number, since it uses less digits than its factorization.

204442044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291085 (or 291040 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 204442044020 its reverse (20440244402), we get a palindrome (224882288422).

The spelling of 204442044020 in words is "two hundred four billion, four hundred forty-two million, forty-four thousand, twenty".