204024025304381 has 2 divisors, whose sum is σ = 204024025304382. Its totient is φ = 204024025304380.

The previous prime is 204024025304353. The next prime is 204024025304497. The reversal of 204024025304381 is 183403520420402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126627420823225 + 77396604481156 = 11252885^2 + 8797534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204024025304381 is a prime.

It is a super-2 number, since 2×204024025304381² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204024025304581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102012012652190 + 102012012652191.

It is an arithmetic number, because the mean of its divisors is an integer number (102012012652191).

Almost surely, 2^{204024025304381} is an apocalyptic number.

It is an amenable number.

204024025304381 is a deficient number, since it is larger than the sum of its proper divisors (1).

204024025304381 is an equidigital number, since it uses as much as digits as its factorization.

204024025304381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 204024025304381 its reverse (183403520420402), we get a palindrome (387427545724783).

The spelling of 204024025304381 in words is "two hundred four trillion, twenty-four billion, twenty-five million, three hundred four thousand, three hundred eighty-one".