205031472 has 20 divisors (see below), whose sum is σ = 529664760. Its totient is φ = 68343808.

The previous prime is 205031423. The next prime is 205031483. The reversal of 205031472 is 274130502.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2135697 + ... + 2135792.

It is an arithmetic number, because the mean of its divisors is an integer number (26483238).

Almost surely, 2^205031472 is an apocalyptic number.

It is an amenable number.

205031472 is an abundant number, since it is smaller than the sum of its proper divisors (324633288).

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

205031472 is a wasteful number, since it uses less digits than its factorization.

205031472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271500 (or 4271494 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 205031472 is about 14318.9200710109. The cubic root of 205031472 is about 589.6670265198.

Adding to 205031472 its reverse (274130502), we get a palindrome (479161974).

The spelling of 205031472 in words is "two hundred five million, thirty-one thousand, four hundred seventy-two".