204239054 has 16 divisors (see below), whose sum is σ = 335566800. Its totient is φ = 92797824.

The previous prime is 204239053. The next prime is 204239059. The reversal of 204239054 is 450932402.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204239053) 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 7 ways as a sum of consecutive naturals, for example, 102584 + ... + 104555.

It is an arithmetic number, because the mean of its divisors is an integer number (20972925).

Almost surely, 2^204239054 is an apocalyptic number.

204239054 is a deficient number, since it is larger than the sum of its proper divisors (131327746).

204239054 is a wasteful number, since it uses less digits than its factorization.

204239054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207187.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 204239054 is about 14291.2229707608. Note that the first 3 decimals coincide. The cubic root of 204239054 is about 588.9063855224.

The spelling of 204239054 in words is "two hundred four million, two hundred thirty-nine thousand, fifty-four".