204020104324404 has 48 divisors (see below), whose sum is σ = 493897695008256. Its totient is φ = 65478861033600.

The previous prime is 204020104324367. The next prime is 204020104324409. The reversal of 204020104324404 is 404423401020402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204020104324409) 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, 1391909307 + ... + 1392055874.

It is an arithmetic number, because the mean of its divisors is an integer number (10289535312672).

Almost surely, 2^{204020104324404} is an apocalyptic number.

It is an amenable number.

204020104324404 is an abundant number, since it is smaller than the sum of its proper divisors (289877590683852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204020104324404 is a wasteful number, since it uses less digits than its factorization.

204020104324404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783965416 (or 2783965414 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 204020104324404 its reverse (404423401020402), we get a palindrome (608443505344806).

The spelling of 204020104324404 in words is "two hundred four trillion, twenty billion, one hundred four million, three hundred twenty-four thousand, four hundred four".