204147185000 has 160 divisors (see below), whose sum is σ = 524708664480. Its totient is φ = 73821600000.

The previous prime is 204147184991. The next prime is 204147185009. The reversal of 204147185000 is 581741402.

It is a happy number.

204147185000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (204147184991) and next prime (204147185009).

It is not an unprimeable number, because it can be changed into a prime (204147185009) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 9944747 + ... + 9965253.

It is an arithmetic number, because the mean of its divisors is an integer number (3279429153).

Almost surely, 2^204147185000 is an apocalyptic number.

204147185000 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 204147185000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262354332240).

204147185000 is an abundant number, since it is smaller than the sum of its proper divisors (320561479480).

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

204147185000 is a wasteful number, since it uses less digits than its factorization.

204147185000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20725 (or 20706 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The spelling of 204147185000 in words is "two hundred four billion, one hundred forty-seven million, one hundred eighty-five thousand".