205481338 has 8 divisors (see below), whose sum is σ = 308341332. Its totient is φ = 102700896.

The previous prime is 205481323. The next prime is 205481351. The reversal of 205481338 is 833184502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 204861969 + 619369 = 14313^2 + 787^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 12945 + ... + 24052.

Almost surely, 2^205481338 is an apocalyptic number.

205481338 is a deficient number, since it is larger than the sum of its proper divisors (102859994).

205481338 is a wasteful number, since it uses less digits than its factorization.

205481338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39776.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 205481338 is about 14334.6202600557. The cubic root of 205481338 is about 590.0979804719.

The spelling of 205481338 in words is "two hundred five million, four hundred eighty-one thousand, three hundred thirty-eight".