204244044020 has 24 divisors (see below), whose sum is σ = 431067840000. Its totient is φ = 81287075232.

The previous prime is 204244044007. The next prime is 204244044023. The reversal of 204244044020 is 20440442402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244044023) 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, 25654820 + ... + 25662779.

It is an arithmetic number, because the mean of its divisors is an integer number (17961160000).

Almost surely, 2^204244044020 is an apocalyptic number.

204244044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204244044020 is an abundant number, since it is smaller than the sum of its proper divisors (226823795980).

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

204244044020 is a wasteful number, since it uses less digits than its factorization.

204244044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51317807 (or 51317805 counting only the distinct ones).

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

Adding to 204244044020 its reverse (20440442402), we get a palindrome (224684486422).

The spelling of 204244044020 in words is "two hundred four billion, two hundred forty-four million, forty-four thousand, twenty".