204221044332431 has 32 divisors (see below), whose sum is σ = 236860874342400. Its totient is φ = 172470208780800.

The previous prime is 204221044332421. The next prime is 204221044332479. The reversal of 204221044332431 is 134233440122402.

It is a happy number.

It is not a de Polignac number, because 204221044332431 - 2¹⁸ = 204221044070287 is a prime.

It is a super-2 number, since 2×204221044332431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204221044332391 and 204221044332400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204221044332421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85293095 + ... + 87654743.

It is an arithmetic number, because the mean of its divisors is an integer number (7401902323200).

Almost surely, 2^{204221044332431} is an apocalyptic number.

204221044332431 is a deficient number, since it is larger than the sum of its proper divisors (32639830009969).

204221044332431 is a wasteful number, since it uses less digits than its factorization.

204221044332431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362455.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 204221044332431 its reverse (134233440122402), we get a palindrome (338454484454833).

The spelling of 204221044332431 in words is "two hundred four trillion, two hundred twenty-one billion, forty-four million, three hundred thirty-two thousand, four hundred thirty-one".