204211034404 has 36 divisors (see below), whose sum is σ = 389798672004. Its totient is φ = 93563238912.

The previous prime is 204211034399. The next prime is 204211034431. The reversal of 204211034404 is 404430112402.

It can be written as a sum of positive squares in 6 ways, for example, as 11674370304 + 192536664100 = 108048^2 + 438790^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009897 + ... + 1195120.

It is an arithmetic number, because the mean of its divisors is an integer number (10827740889).

Almost surely, 2^204211034404 is an apocalyptic number.

It is an amenable number.

204211034404 is a deficient number, since it is larger than the sum of its proper divisors (185587637600).

204211034404 is a wasteful number, since it uses less digits than its factorization.

204211034404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205184 (or 2205169 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 204211034404 its reverse (404430112402), we get a palindrome (608641146806).

The spelling of 204211034404 in words is "two hundred four billion, two hundred eleven million, thirty-four thousand, four hundred four".