204804630100 has 72 divisors (see below), whose sum is σ = 509723500608. Its totient is φ = 69968774400.

The previous prime is 204804630097. The next prime is 204804630109. The reversal of 204804630100 is 1036408402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204804630109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323902 + ... + 717301.

It is an arithmetic number, because the mean of its divisors is an integer number (7079493064).

Almost surely, 2^204804630100 is an apocalyptic number.

204804630100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204804630100 is an abundant number, since it is smaller than the sum of its proper divisors (304918870508).

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

204804630100 is a wasteful number, since it uses less digits than its factorization.

204804630100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041505 (or 1041498 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 204804630100 in words is "two hundred four billion, eight hundred four million, six hundred thirty thousand, one hundred".