205244431432 has 16 divisors (see below), whose sum is σ = 387642313260. Its totient is φ = 101873147904.

The previous prime is 205244431421. The next prime is 205244431543. The reversal of 205244431432 is 234134442502.

205244431432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200125601316 + 5118830116 = 447354^2 + 71546^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93632313 + ... + 93634504.

Almost surely, 2^205244431432 is an apocalyptic number.

It is an amenable number.

205244431432 is a deficient number, since it is larger than the sum of its proper divisors (182397881828).

205244431432 is a wasteful number, since it uses less digits than its factorization.

205244431432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187266960 (or 187266956 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 205244431432 its reverse (234134442502), we get a palindrome (439378873934).

The spelling of 205244431432 in words is "two hundred five billion, two hundred forty-four million, four hundred thirty-one thousand, four hundred thirty-two".