204243054 has 16 divisors (see below), whose sum is σ = 408632448. Its totient is φ = 68056632.

The previous prime is 204243047. The next prime is 204243101. The reversal of 204243054 is 450342402.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 22029 + ... + 29895.

It is an arithmetic number, because the mean of its divisors is an integer number (25539528).

Almost surely, 2^204243054 is an apocalyptic number.

204243054 is an abundant number, since it is smaller than the sum of its proper divisors (204389394).

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

204243054 is a wasteful number, since it uses less digits than its factorization.

204243054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 204243054 is about 14291.3629161113. The cubic root of 204243054 is about 588.9102300534.

Adding to 204243054 its reverse (450342402), we get a palindrome (654585456).

The spelling of 204243054 in words is "two hundred four million, two hundred forty-three thousand, fifty-four".