204694056 has 192 divisors, whose sum is σ = 660441600. Its totient is φ = 56070144.

The previous prime is 204694031. The next prime is 204694079. The reversal of 204694056 is 650496402.

It is a super-2 number, since 2×204694056² = 83799313123462272, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 204694056.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2110200 + ... + 2110296.

It is an arithmetic number, because the mean of its divisors is an integer number (3439800).

Almost surely, 2^204694056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204694056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330220800).

204694056 is an abundant number, since it is smaller than the sum of its proper divisors (455747544).

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

204694056 is a wasteful number, since it uses less digits than its factorization.

204694056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 204694056 is about 14307.1330461417. The cubic root of 204694056 is about 589.3433813570.

The spelling of 204694056 in words is "two hundred four million, six hundred ninety-four thousand, fifty-six".