204443430204120 has 64 divisors (see below), whose sum is σ = 627593785758720. Its totient is φ = 53250381819264.

The previous prime is 204443430204107. The next prime is 204443430204127. The reversal of 204443430204120 is 21402034344402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204443430204127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19810404744 + ... + 19810415063.

It is an arithmetic number, because the mean of its divisors is an integer number (9806152902480).

Almost surely, 2^{204443430204120} is an apocalyptic number.

204443430204120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204443430204120 is an abundant number, since it is smaller than the sum of its proper divisors (423150355554600).

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

204443430204120 is a wasteful number, since it uses less digits than its factorization.

204443430204120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39620819864 (or 39620819860 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 204443430204120 its reverse (21402034344402), we get a palindrome (225845464548522).

The spelling of 204443430204120 in words is "two hundred four trillion, four hundred forty-three billion, four hundred thirty million, two hundred four thousand, one hundred twenty".