205920338 has 16 divisors (see below), whose sum is σ = 333271680. Its totient is φ = 94859856.

The previous prime is 205920331. The next prime is 205920349. The reversal of 205920338 is 833029502.

It is not an unprimeable number, because it can be changed into a prime (205920331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6983 + ... + 21461.

It is an arithmetic number, because the mean of its divisors is an integer number (20829480).

Almost surely, 2^205920338 is an apocalyptic number.

205920338 is a deficient number, since it is larger than the sum of its proper divisors (127351342).

205920338 is a wasteful number, since it uses less digits than its factorization.

205920338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 205920338 is about 14349.9246687918. The cubic root of 205920338 is about 590.5179192528.

The spelling of 205920338 in words is "two hundred five million, nine hundred twenty thousand, three hundred thirty-eight".