204204444244311 has 24 divisors (see below), whose sum is σ = 316726200816240. Its totient is φ = 116687907407232.

The previous prime is 204204444244279. The next prime is 204204444244457. The reversal of 204204444244311 is 113442444402402.

It is not a de Polignac number, because 204204444244311 - 2⁵ = 204204444244279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204204444244311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204204444245311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52514145 + ... + 56268501.

It is an arithmetic number, because the mean of its divisors is an integer number (13196925034010).

Almost surely, 2^{204204444244311} is an apocalyptic number.

204204444244311 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

204204444244311 is a deficient number, since it is larger than the sum of its proper divisors (112521756571929).

204204444244311 is a wasteful number, since it uses less digits than its factorization.

204204444244311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4124383 (or 4124376 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 39.

Adding to 204204444244311 its reverse (113442444402402), we get a palindrome (317646888646713).

The spelling of 204204444244311 in words is "two hundred four trillion, two hundred four billion, four hundred forty-four million, two hundred forty-four thousand, three hundred eleven".