204854020 has 24 divisors (see below), whose sum is σ = 491649984. Its totient is φ = 70235616.

The previous prime is 204854003. The next prime is 204854047. The reversal of 204854020 is 20458402.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731482 + ... + 731761.

It is an arithmetic number, because the mean of its divisors is an integer number (20485416).

Almost surely, 2^204854020 is an apocalyptic number.

204854020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204854020 is an abundant number, since it is smaller than the sum of its proper divisors (286795964).

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

204854020 is a wasteful number, since it uses less digits than its factorization.

204854020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463259 (or 1463257 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 204854020 is about 14312.7223126839. The cubic root of 204854020 is about 589.4968611070.

The spelling of 204854020 in words is "two hundred four million, eight hundred fifty-four thousand, twenty".