205224073 has 4 divisors (see below), whose sum is σ = 216025360. Its totient is φ = 194422788.

The previous prime is 205224049. The next prime is 205224077. The reversal of 205224073 is 370422502.

205224073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 370422502 = 2 ⋅185211251.

It is a cyclic number.

It is not a de Polignac number, because 205224073 - 2⁹ = 205223561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205224077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5400615 + ... + 5400652.

It is an arithmetic number, because the mean of its divisors is an integer number (54006340).

Almost surely, 2^205224073 is an apocalyptic number.

It is an amenable number.

205224073 is a deficient number, since it is larger than the sum of its proper divisors (10801287).

205224073 is a wasteful number, since it uses less digits than its factorization.

205224073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801286.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 205224073 is about 14325.6438947783. The cubic root of 205224073 is about 589.8516078018.

Adding to 205224073 its reverse (370422502), we get a palindrome (575646575).

The spelling of 205224073 in words is "two hundred five million, two hundred twenty-four thousand, seventy-three".