204604920 has 384 divisors, whose sum is σ = 790560000. Its totient is φ = 46904832.

The previous prime is 204604871. The next prime is 204604921. The reversal of 204604920 is 29406402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204604921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3467851 + ... + 3467909.

It is an arithmetic number, because the mean of its divisors is an integer number (2058750).

Almost surely, 2^204604920 is an apocalyptic number.

204604920 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 204604920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395280000).

204604920 is an abundant number, since it is smaller than the sum of its proper divisors (585955080).

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

204604920 is a wasteful number, since it uses less digits than its factorization.

204604920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 204604920 is about 14304.0176174388. The cubic root of 204604920 is about 589.2578238512.

The spelling of 204604920 in words is "two hundred four million, six hundred four thousand, nine hundred twenty".