204880536 has 128 divisors (see below), whose sum is σ = 654912000. Its totient is φ = 58133376.

The previous prime is 204880531. The next prime is 204880547. The reversal of 204880536 is 635088402.

204880536 is a `hidden beast` number, since 2 + 0 + 48 + 80 + 536 = 666.

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 204880536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204880531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270270 + ... + 271026.

It is an arithmetic number, because the mean of its divisors is an integer number (5116500).

Almost surely, 2^204880536 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 204880536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327456000).

204880536 is an abundant number, since it is smaller than the sum of its proper divisors (450031464).

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

204880536 is a wasteful number, since it uses less digits than its factorization.

204880536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 204880536 is about 14313.6485914668. The cubic root of 204880536 is about 589.5222945424.

The spelling of 204880536 in words is "two hundred four million, eight hundred eighty thousand, five hundred thirty-six".