205081384 has 16 divisors (see below), whose sum is σ = 386889120. Its totient is φ = 101910960.

The previous prime is 205081367. The next prime is 205081391. The reversal of 205081384 is 483180502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77332 + ... + 79939.

It is an arithmetic number, because the mean of its divisors is an integer number (24180570).

Almost surely, 2^205081384 is an apocalyptic number.

It is an amenable number.

205081384 is a deficient number, since it is larger than the sum of its proper divisors (181807736).

205081384 is a wasteful number, since it uses less digits than its factorization.

205081384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157440 (or 157436 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 205081384 is about 14320.6628338216. The cubic root of 205081384 is about 589.7148713254.

The spelling of 205081384 in words is "two hundred five million, eighty-one thousand, three hundred eighty-four".