205135432 has 32 divisors (see below), whose sum is σ = 399340800. Its totient is φ = 98683200.

The previous prime is 205135417. The next prime is 205135433. The reversal of 205135432 is 234531502.

It is a junction number, because it is equal to n+sod(n) for n = 205135397 and 205135406.

It is not an unprimeable number, because it can be changed into a prime (205135433) 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, 42082 + ... + 46702.

It is an arithmetic number, because the mean of its divisors is an integer number (12479400).

Almost surely, 2^205135432 is an apocalyptic number.

It is an amenable number.

205135432 is a deficient number, since it is larger than the sum of its proper divisors (194205368).

205135432 is a wasteful number, since it uses less digits than its factorization.

205135432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837 (or 4833 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 205135432 is about 14322.5497729978. The cubic root of 205135432 is about 589.7666720775.

Adding to 205135432 its reverse (234531502), we get a palindrome (439666934).

The spelling of 205135432 in words is "two hundred five million, one hundred thirty-five thousand, four hundred thirty-two".