204023111204 has 144 divisors (see below), whose sum is σ = 416661428736. Its totient is φ = 86592000000.

The previous prime is 204023111203. The next prime is 204023111209. The reversal of 204023111204 is 402111320402.

It is not an unprimeable number, because it can be changed into a prime (204023111203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231580844 + ... + 231581724.

It is an arithmetic number, because the mean of its divisors is an integer number (2893482144).

Almost surely, 2^204023111204 is an apocalyptic number.

It is an amenable number.

204023111204 is an abundant number, since it is smaller than the sum of its proper divisors (212638317532).

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

204023111204 is a wasteful number, since it uses less digits than its factorization.

204023111204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 204023111204 its reverse (402111320402), we get a palindrome (606134431606).

The spelling of 204023111204 in words is "two hundred four billion, twenty-three million, one hundred eleven thousand, two hundred four".