205425204050 has 48 divisors (see below), whose sum is σ = 417821695200. Its totient is φ = 74521708800.

The previous prime is 205425204037. The next prime is 205425204059. The reversal of 205425204050 is 50402524502.

It is not an unprimeable number, because it can be changed into a prime (205425204059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215255 + ... + 676154.

It is an arithmetic number, because the mean of its divisors is an integer number (8704618650).

Almost surely, 2^205425204050 is an apocalyptic number.

205425204050 is an abundant number, since it is smaller than the sum of its proper divisors (212396491150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

205425204050 is a wasteful number, since it uses less digits than its factorization.

205425204050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891851 (or 891846 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

Adding to 205425204050 its reverse (50402524502), we get a palindrome (255827728552).

The spelling of 205425204050 in words is "two hundred five billion, four hundred twenty-five million, two hundred four thousand, fifty".