205641452 has 24 divisors (see below), whose sum is σ = 383399856. Its totient is φ = 96173568.

The previous prime is 205641451. The next prime is 205641461. The reversal of 205641452 is 254146502.

205641452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (205641451) 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, 1808 + ... + 20360.

It is an arithmetic number, because the mean of its divisors is an integer number (15974994).

Almost surely, 2^205641452 is an apocalyptic number.

It is an amenable number.

205641452 is a deficient number, since it is larger than the sum of its proper divisors (177758404).

205641452 is a wasteful number, since it uses less digits than its factorization.

205641452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18737 (or 18735 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 205641452 is about 14340.2040431787. The cubic root of 205641452 is about 590.2512116100.

Adding to 205641452 its reverse (254146502), we get a palindrome (459787954).

The spelling of 205641452 in words is "two hundred five million, six hundred forty-one thousand, four hundred fifty-two".