204044143343420 has 24 divisors (see below), whose sum is σ = 453698154023184. Its totient is φ = 76816618670336.

The previous prime is 204044143343371. The next prime is 204044143343459. The reversal of 204044143343420 is 24343341440402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300064916342 + ... + 300064917021.

It is an arithmetic number, because the mean of its divisors is an integer number (18904089750966).

Almost surely, 2^{204044143343420} is an apocalyptic number.

204044143343420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204044143343420 is an abundant number, since it is smaller than the sum of its proper divisors (249654010679764).

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

204044143343420 is a wasteful number, since it uses less digits than its factorization.

204044143343420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600129833389 (or 600129833387 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 204044143343420 its reverse (24343341440402), we get a palindrome (228387484783822).

The spelling of 204044143343420 in words is "two hundred four trillion, forty-four billion, one hundred forty-three million, three hundred forty-three thousand, four hundred twenty".