205043272 has 32 divisors (see below), whose sum is σ = 439845120. Its totient is φ = 87782400.

The previous prime is 205043219. The next prime is 205043299. The reversal of 205043272 is 272340502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88513 + ... + 90799.

It is an arithmetic number, because the mean of its divisors is an integer number (13745160).

Almost surely, 2^205043272 is an apocalyptic number.

It is an amenable number.

205043272 is an abundant number, since it is smaller than the sum of its proper divisors (234801848).

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

205043272 is a wasteful number, since it uses less digits than its factorization.

205043272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 205043272 is about 14319.3321073296. The cubic root of 205043272 is about 589.6783385026.

Adding to 205043272 its reverse (272340502), we get a palindrome (477383774).

The spelling of 205043272 in words is "two hundred five million, forty-three thousand, two hundred seventy-two".