204622093 has 4 divisors (see below), whose sum is σ = 220362268. Its totient is φ = 188881920.

The previous prime is 204622091. The next prime is 204622097. The reversal of 204622093 is 390226402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65334889 + 139287204 = 8083^2 + 11802^2 .

It is a cyclic number.

It is not a de Polignac number, because 204622093 - 2¹ = 204622091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204622091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7870068 + ... + 7870093.

It is an arithmetic number, because the mean of its divisors is an integer number (55090567).

Almost surely, 2^204622093 is an apocalyptic number.

It is an amenable number.

204622093 is a deficient number, since it is larger than the sum of its proper divisors (15740175).

204622093 is a wasteful number, since it uses less digits than its factorization.

204622093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740174.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 204622093 is about 14304.6178907372. The cubic root of 204622093 is about 589.2743093484.

Adding to 204622093 its reverse (390226402), we get a palindrome (594848495).

The spelling of 204622093 in words is "two hundred four million, six hundred twenty-two thousand, ninety-three".