204324022021204 has 24 divisors (see below), whose sum is σ = 359463052079208. Its totient is φ = 101621536757760.

The previous prime is 204324022021183. The next prime is 204324022021213. The reversal of 204324022021204 is 402120220423402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52621937793604 + 151702084227600 = 7254098^2 + 12316740^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154830277 + ... + 156144364.

It is an arithmetic number, because the mean of its divisors is an integer number (14977627169967).

Almost surely, 2^{204324022021204} is an apocalyptic number.

It is an amenable number.

204324022021204 is a deficient number, since it is larger than the sum of its proper divisors (155139030058004).

204324022021204 is a wasteful number, since it uses less digits than its factorization.

204324022021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310975515 (or 310975513 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 204324022021204 its reverse (402120220423402), we get a palindrome (606444242444606).

The spelling of 204324022021204 in words is "two hundred four trillion, three hundred twenty-four billion, twenty-two million, twenty-one thousand, two hundred four".