205381230 has 32 divisors (see below), whose sum is σ = 494121600. Its totient is φ = 54634272.

The previous prime is 205381217. The next prime is 205381249. The reversal of 205381230 is 32183502.

It is a self number, because there is not a number n which added to its sum of digits gives 205381230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4401 + ... + 20739.

It is an arithmetic number, because the mean of its divisors is an integer number (15441300).

Almost surely, 2^205381230 is an apocalyptic number.

205381230 is an abundant number, since it is smaller than the sum of its proper divisors (288740370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205381230 is a wasteful number, since it uses less digits than its factorization.

205381230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16768.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 205381230 is about 14331.1280086391. The cubic root of 205381230 is about 590.0021353940.

The spelling of 205381230 in words is "two hundred five million, three hundred eighty-one thousand, two hundred thirty".