204939500 has 24 divisors (see below), whose sum is σ = 447588960. Its totient is φ = 81975600.

The previous prime is 204939487. The next prime is 204939503. The reversal of 204939500 is 5939402.

204939500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (204939503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204440 + ... + 205439.

It is an arithmetic number, because the mean of its divisors is an integer number (18649540).

Almost surely, 2^204939500 is an apocalyptic number.

204939500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204939500 is an abundant number, since it is smaller than the sum of its proper divisors (242649460).

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

204939500 is a wasteful number, since it uses less digits than its factorization.

204939500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409898 (or 409886 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 204939500 is about 14315.7081557288. The cubic root of 204939500 is about 589.5788433636.

The spelling of 204939500 in words is "two hundred four million, nine hundred thirty-nine thousand, five hundred".