204120033024321 has 24 divisors (see below), whose sum is σ = 319153514254560. Its totient is φ = 128917915588152.

The previous prime is 204120033024307. The next prime is 204120033024343. The reversal of 204120033024321 is 123420330021402.

204120033024321 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 2 + 0 + 0 + 330 + 2 + 4 + 321 = 666.

It is not a de Polignac number, because 204120033024321 - 2¹¹ = 204120033022273 is a prime.

It is a super-2 number, since 2×204120033024321² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (204120033024821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10470906075 + ... + 10470925568.

It is an arithmetic number, because the mean of its divisors is an integer number (13298063093940).

Almost surely, 2^{204120033024321} is an apocalyptic number.

It is an amenable number.

204120033024321 is a deficient number, since it is larger than the sum of its proper divisors (115033481230239).

204120033024321 is a wasteful number, since it uses less digits than its factorization.

204120033024321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20941831690 (or 20941831665 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 204120033024321 its reverse (123420330021402), we get a palindrome (327540363045723).

The spelling of 204120033024321 in words is "two hundred four trillion, one hundred twenty billion, thirty-three million, twenty-four thousand, three hundred twenty-one".