204220403420144 has 20 divisors (see below), whose sum is σ = 402163540343640. Its totient is φ = 100436263976640.

The previous prime is 204220403420113. The next prime is 204220403420171. The reversal of 204220403420144 is 441024304022402.

204220403420144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 204220403420144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104621107334 + ... + 104621109285.

It is an arithmetic number, because the mean of its divisors is an integer number (20108177017182).

Almost surely, 2^{204220403420144} is an apocalyptic number.

It is an amenable number.

204220403420144 is a deficient number, since it is larger than the sum of its proper divisors (197943136923496).

204220403420144 is a wasteful number, since it uses less digits than its factorization.

204220403420144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209242216688 (or 209242216682 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 204220403420144 its reverse (441024304022402), we get a palindrome (645244707442546).

The spelling of 204220403420144 in words is "two hundred four trillion, two hundred twenty billion, four hundred three million, four hundred twenty thousand, one hundred forty-four".