204120104112200 has 96 divisors (see below), whose sum is σ = 498740725306560. Its totient is φ = 77593864723200.

The previous prime is 204120104112187. The next prime is 204120104112229. The reversal of 204120104112200 is 2211401021402.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 320423636 + ... + 321060035.

It is an arithmetic number, because the mean of its divisors is an integer number (5195215888610).

Almost surely, 2^{204120104112200} is an apocalyptic number.

204120104112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204120104112200 is an abundant number, since it is smaller than the sum of its proper divisors (294620621194360).

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

204120104112200 is a wasteful number, since it uses less digits than its factorization.

204120104112200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641483767 (or 641483758 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 204120104112200 its reverse (2211401021402), we get a palindrome (206331505133602).

The spelling of 204120104112200 in words is "two hundred four trillion, one hundred twenty billion, one hundred four million, one hundred twelve thousand, two hundred".