204220320030241 has 4 divisors (see below), whose sum is σ = 204246259364932. Its totient is φ = 204194380695552.

The previous prime is 204220320030239. The next prime is 204220320030283. The reversal of 204220320030241 is 142030023022402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53576485603216 + 150643834427025 = 7319596^2 + 12273705^2 .

It is a cyclic number.

It is not a de Polignac number, because 204220320030241 - 2¹ = 204220320030239 is a prime.

It is a super-2 number, since 2×204220320030241² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204220320040241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12969655536 + ... + 12969671281.

It is an arithmetic number, because the mean of its divisors is an integer number (51061564841233).

Almost surely, 2^{204220320030241} is an apocalyptic number.

It is an amenable number.

204220320030241 is a deficient number, since it is larger than the sum of its proper divisors (25939334691).

204220320030241 is an equidigital number, since it uses as much as digits as its factorization.

204220320030241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25939334690.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 204220320030241 its reverse (142030023022402), we get a palindrome (346250343052643).

The spelling of 204220320030241 in words is "two hundred four trillion, two hundred twenty billion, three hundred twenty million, thirty thousand, two hundred forty-one".