204202215204 has 96 divisors (see below), whose sum is σ = 543807613440. Its totient is φ = 59081023488.

The previous prime is 204202215197. The next prime is 204202215229. The reversal of 204202215204 is 402512202402.

204202215204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2890252 + ... + 2960060.

It is an arithmetic number, because the mean of its divisors is an integer number (5664662640).

Almost surely, 2^204202215204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204202215204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271903806720).

204202215204 is an abundant number, since it is smaller than the sum of its proper divisors (339605398236).

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

204202215204 is a wasteful number, since it uses less digits than its factorization.

204202215204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70949 (or 70947 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 204202215204 its reverse (402512202402), we get a palindrome (606714417606).

The spelling of 204202215204 in words is "two hundred four billion, two hundred two million, two hundred fifteen thousand, two hundred four".