204230941920 has 192 divisors, whose sum is σ = 715032360000. Its totient is φ = 54444515328.

The previous prime is 204230941913. The next prime is 204230941921. The reversal of 204230941920 is 29149032402.

204230941920 is a `hidden beast` number, since 2 + 0 + 4 + 230 + 9 + 419 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204230941921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20078596 + ... + 20088764.

It is an arithmetic number, because the mean of its divisors is an integer number (3724126875).

Almost surely, 2^204230941920 is an apocalyptic number.

204230941920 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 204230941920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357516180000).

204230941920 is an abundant number, since it is smaller than the sum of its proper divisors (510801418080).

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

204230941920 is a wasteful number, since it uses less digits than its factorization.

204230941920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14842 (or 14828 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 204230941920 in words is "two hundred four billion, two hundred thirty million, nine hundred forty-one thousand, nine hundred twenty".