204033332431021 has 8 divisors (see below), whose sum is σ = 206014762913024. Its totient is φ = 202051912032720.

The previous prime is 204033332430971. The next prime is 204033332431043. The reversal of 204033332431021 is 120134233330402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 204033332431021 - 2³⁵ = 203998972692653 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 (204033332431081) 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 7 ways as a sum of consecutive naturals, for example, 41931031 + ... + 46543291.

It is an arithmetic number, because the mean of its divisors is an integer number (25751845364128).

Almost surely, 2^{204033332431021} is an apocalyptic number.

It is an amenable number.

204033332431021 is a deficient number, since it is larger than the sum of its proper divisors (1981430482003).

204033332431021 is a wasteful number, since it uses less digits than its factorization.

204033332431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041851.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 204033332431021 its reverse (120134233330402), we get a palindrome (324167565761423).

The spelling of 204033332431021 in words is "two hundred four trillion, thirty-three billion, three hundred thirty-two million, four hundred thirty-one thousand, twenty-one".