205245042032 has 30 divisors (see below), whose sum is σ = 399026780592. Its totient is φ = 102271589056.

The previous prime is 205245042007. The next prime is 205245042061. The reversal of 205245042032 is 230240542502.

It is a junction number, because it is equal to n+sod(n) for n = 205245041986 and 205245042004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1298873 + ... + 1448295.

Almost surely, 2^205245042032 is an apocalyptic number.

It is an amenable number.

205245042032 is a deficient number, since it is larger than the sum of its proper divisors (193781738560).

205245042032 is an equidigital number, since it uses as much as digits as its factorization.

205245042032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150017 (or 149718 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 205245042032 its reverse (230240542502), we get a palindrome (435485584534).

The spelling of 205245042032 in words is "two hundred five billion, two hundred forty-five million, forty-two thousand, thirty-two".