204032412021 has 4 divisors (see below), whose sum is σ = 272043216032. Its totient is φ = 136021608012.

The previous prime is 204032411993. The next prime is 204032412029. The reversal of 204032412021 is 120214230402.

204032412021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 204032412021 - 2⁹ = 204032411509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204032412029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34005402001 + ... + 34005402006.

It is an arithmetic number, because the mean of its divisors is an integer number (68010804008).

Almost surely, 2^204032412021 is an apocalyptic number.

It is an amenable number.

204032412021 is a deficient number, since it is larger than the sum of its proper divisors (68010804011).

204032412021 is an equidigital number, since it uses as much as digits as its factorization.

204032412021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68010804010.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 204032412021 its reverse (120214230402), we get a palindrome (324246642423).

The spelling of 204032412021 in words is "two hundred four billion, thirty-two million, four hundred twelve thousand, twenty-one".