205384054 has 16 divisors (see below), whose sum is σ = 314325360. Its totient is φ = 100629760.

The previous prime is 205384033. The next prime is 205384073. The reversal of 205384054 is 450483502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15009 + ... + 25219.

It is an arithmetic number, because the mean of its divisors is an integer number (19645335).

Almost surely, 2^205384054 is an apocalyptic number.

205384054 is a deficient number, since it is larger than the sum of its proper divisors (108941306).

205384054 is a wasteful number, since it uses less digits than its factorization.

205384054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 205384054 is about 14331.2265350876. The cubic root of 205384054 is about 590.0048395658.

The spelling of 205384054 in words is "two hundred five million, three hundred eighty-four thousand, fifty-four".