204402413 has 8 divisors (see below), whose sum is σ = 205486848. Its totient is φ = 203321664.

The previous prime is 204402379. The next prime is 204402431. The reversal of 204402413 is 314204402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204402413 - 2⁸ = 204402157 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 (204402433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236420 + ... + 237282.

It is an arithmetic number, because the mean of its divisors is an integer number (25685856).

Almost surely, 2^204402413 is an apocalyptic number.

It is an amenable number.

204402413 is a deficient number, since it is larger than the sum of its proper divisors (1084435).

204402413 is an equidigital number, since it uses as much as digits as its factorization.

204402413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204402413 is about 14296.9371894822. The cubic root of 204402413 is about 589.0633543923.

Adding to 204402413 its reverse (314204402), we get a palindrome (518606815).

The spelling of 204402413 in words is "two hundred four million, four hundred two thousand, four hundred thirteen".