204433312020 has 48 divisors (see below), whose sum is σ = 654186599808. Its totient is φ = 46727614080.

The previous prime is 204433312009. The next prime is 204433312043. The reversal of 204433312020 is 20213334402.

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, 243372571 + ... + 243373410.

It is an arithmetic number, because the mean of its divisors is an integer number (13628887496).

Almost surely, 2^204433312020 is an apocalyptic number.

204433312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204433312020 is an abundant number, since it is smaller than the sum of its proper divisors (449753287788).

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

204433312020 is a wasteful number, since it uses less digits than its factorization.

204433312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486746000 (or 486745998 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 204433312020 its reverse (20213334402), we get a palindrome (224646646422).

The spelling of 204433312020 in words is "two hundred four billion, four hundred thirty-three million, three hundred twelve thousand, twenty".