204404222021313 has 8 divisors (see below), whose sum is σ = 272540375564128. Its totient is φ = 136268774913024.

The previous prime is 204404222021287. The next prime is 204404222021369. The reversal of 204404222021313 is 313120222404402.

204404222021313 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 204404222021313 - 2⁵ = 204404222021281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204404222022313) 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, 175933120 + ... + 177091137.

It is an arithmetic number, because the mean of its divisors is an integer number (34067546945516).

Almost surely, 2^{204404222021313} is an apocalyptic number.

It is an amenable number.

204404222021313 is a deficient number, since it is larger than the sum of its proper divisors (68136153542815).

204404222021313 is a wasteful number, since it uses less digits than its factorization.

204404222021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353217263.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 204404222021313 its reverse (313120222404402), we get a palindrome (517524444425715).

The spelling of 204404222021313 in words is "two hundred four trillion, four hundred four billion, two hundred twenty-two million, twenty-one thousand, three hundred thirteen".