204044120203243 has 64 divisors (see below), whose sum is σ = 223002777452544. Its totient is φ = 186293302272000.

The previous prime is 204044120203201. The next prime is 204044120203247. The reversal of 204044120203243 is 342302021440402.

It is a cyclic number.

It is not a de Polignac number, because 204044120203243 - 2²⁹ = 204043583332331 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (204044120203247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2098501438 + ... + 2098598668.

It is an arithmetic number, because the mean of its divisors is an integer number (3484418397696).

Almost surely, 2^{204044120203243} is an apocalyptic number.

204044120203243 is a deficient number, since it is larger than the sum of its proper divisors (18958657249301).

204044120203243 is a wasteful number, since it uses less digits than its factorization.

204044120203243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97796.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 204044120203243 its reverse (342302021440402), we get a palindrome (546346141643645).

The spelling of 204044120203243 in words is "two hundred four trillion, forty-four billion, one hundred twenty million, two hundred three thousand, two hundred forty-three".