204194880 has 84 divisors (see below), whose sum is σ = 702355212. Its totient is φ = 54451200.

The previous prime is 204194869. The next prime is 204194891. The reversal of 204194880 is 88491402.

It is an interprime number because it is at equal distance from previous prime (204194869) and next prime (204194891).

It can be written as a sum of positive squares in 2 ways, for example, as 146313216 + 57881664 = 12096^2 + 7608^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32571 + ... + 38330.

Almost surely, 2^204194880 is an apocalyptic number.

204194880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204194880 is an abundant number, since it is smaller than the sum of its proper divisors (498160332).

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

204194880 is a wasteful number, since it uses less digits than its factorization.

204194880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70924 (or 70911 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 204194880 is about 14289.6773931394. The cubic root of 204194880 is about 588.8639251050.

The spelling of 204194880 in words is "two hundred four million, one hundred ninety-four thousand, eight hundred eighty".