204850140 has 48 divisors (see below), whose sum is σ = 625726080. Its totient is φ = 49660480.

The previous prime is 204850103. The next prime is 204850147. The reversal of 204850140 is 41058402.

It is a self number, because there is not a number n which added to its sum of digits gives 204850140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204850147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154530 + ... + 155849.

It is an arithmetic number, because the mean of its divisors is an integer number (13035960).

Almost surely, 2^204850140 is an apocalyptic number.

204850140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204850140 is an abundant number, since it is smaller than the sum of its proper divisors (420875940).

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

204850140 is a wasteful number, since it uses less digits than its factorization.

204850140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310402 (or 310400 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 204850140 is about 14312.5867682959. The cubic root of 204850140 is about 589.4931393312.

The spelling of 204850140 in words is "two hundred four million, eight hundred fifty thousand, one hundred forty".