205224125254 has 4 divisors (see below), whose sum is σ = 307836187884. Its totient is φ = 102612062626.

The previous prime is 205224125237. The next prime is 205224125279. The reversal of 205224125254 is 452521422502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51306031312 + ... + 51306031315.

It is an arithmetic number, because the mean of its divisors is an integer number (76959046971).

Almost surely, 2^205224125254 is an apocalyptic number.

205224125254 is a deficient number, since it is larger than the sum of its proper divisors (102612062630).

205224125254 is a wasteful number, since it uses less digits than its factorization.

205224125254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102612062629.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 205224125254 its reverse (452521422502), we get a palindrome (657745547756).

The spelling of 205224125254 in words is "two hundred five billion, two hundred twenty-four million, one hundred twenty-five thousand, two hundred fifty-four".