204622413 has 16 divisors (see below), whose sum is σ = 284276736. Its totient is φ = 130774320.

The previous prime is 204622409. The next prime is 204622427. The reversal of 204622413 is 314226402.

It is not a de Polignac number, because 204622413 - 2² = 204622409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204622433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331 + ... + 20232.

It is an arithmetic number, because the mean of its divisors is an integer number (17767296).

Almost surely, 2^204622413 is an apocalyptic number.

It is an amenable number.

204622413 is a deficient number, since it is larger than the sum of its proper divisors (79654323).

204622413 is a wasteful number, since it uses less digits than its factorization.

204622413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20704.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 204622413 is about 14304.6290759320. The cubic root of 204622413 is about 589.2746165288.

Adding to 204622413 its reverse (314226402), we get a palindrome (518848815).

The spelling of 204622413 in words is "two hundred four million, six hundred twenty-two thousand, four hundred thirteen".