205133434 has 8 divisors (see below), whose sum is σ = 335672928. Its totient is φ = 93242460.

The previous prime is 205133393. The next prime is 205133437. The reversal of 205133434 is 434331502.

205133434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 205133399 and 205133408.

It is not an unprimeable number, because it can be changed into a prime (205133437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4662102 + ... + 4662145.

It is an arithmetic number, because the mean of its divisors is an integer number (41959116).

Almost surely, 2^205133434 is an apocalyptic number.

205133434 is a deficient number, since it is larger than the sum of its proper divisors (130539494).

205133434 is a wasteful number, since it uses less digits than its factorization.

205133434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324260.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 205133434 is about 14322.4800226776. The cubic root of 205133434 is about 589.7647573138.

Adding to 205133434 its reverse (434331502), we get a palindrome (639464936).

The spelling of 205133434 in words is "two hundred five million, one hundred thirty-three thousand, four hundred thirty-four".