204365250100 has 144 divisors (see below), whose sum is σ = 518734298880. Its totient is φ = 69057331200.

The previous prime is 204365250097. The next prime is 204365250137. The reversal of 204365250100 is 1052563402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1408132 + ... + 1546468.

It is an arithmetic number, because the mean of its divisors is an integer number (3602321520).

Almost surely, 2^204365250100 is an apocalyptic number.

204365250100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204365250100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259367149440).

204365250100 is an abundant number, since it is smaller than the sum of its proper divisors (314369048780).

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

204365250100 is a wasteful number, since it uses less digits than its factorization.

204365250100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138458 (or 138451 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 204365250100 in words is "two hundred four billion, three hundred sixty-five million, two hundred fifty thousand, one hundred".