204124231100 has 36 divisors (see below), whose sum is σ = 445883055408. Its totient is φ = 81108960000.

The previous prime is 204124231099. The next prime is 204124231163. The reversal of 204124231100 is 1132421402.

204124231100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 11 ways as a sum of consecutive naturals, for example, 6743981 + ... + 6774180.

It is an arithmetic number, because the mean of its divisors is an integer number (12385640428).

Almost surely, 2^204124231100 is an apocalyptic number.

204124231100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204124231100 is an abundant number, since it is smaller than the sum of its proper divisors (241758824308).

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

204124231100 is a wasteful number, since it uses less digits than its factorization.

204124231100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13518326 (or 13518319 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 204124231100 its reverse (1132421402), we get a palindrome (205256652502).

The spelling of 204124231100 in words is "two hundred four billion, one hundred twenty-four million, two hundred thirty-one thousand, one hundred".