204064554 has 8 divisors (see below), whose sum is σ = 408129120. Its totient is φ = 68021516.

The previous prime is 204064543. The next prime is 204064559. The reversal of 204064554 is 455460402.

It is a sphenic number, since it is the product of 3 distinct primes.

204064554 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (204064559) 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 3 ways as a sum of consecutive naturals, for example, 17005374 + ... + 17005385.

It is an arithmetic number, because the mean of its divisors is an integer number (51016140).

Almost surely, 2^204064554 is an apocalyptic number.

204064554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204064554 is a wasteful number, since it uses less digits than its factorization.

204064554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010764.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 204064554 is about 14285.1165203508. The cubic root of 204064554 is about 588.7386189712.

The spelling of 204064554 in words is "two hundred four million, sixty-four thousand, five hundred fifty-four".