204022042345 has 64 divisors (see below), whose sum is σ = 273837687552. Its totient is φ = 144676224000.

The previous prime is 204022042333. The next prime is 204022042349. The reversal of 204022042345 is 543240220402.

204022042345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204022042345 - 2²⁹ = 203485171433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204022042349) 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 63 ways as a sum of consecutive naturals, for example, 308656315 + ... + 308656975.

It is an arithmetic number, because the mean of its divisors is an integer number (4278713868).

Almost surely, 2^204022042345 is an apocalyptic number.

It is an amenable number.

204022042345 is a deficient number, since it is larger than the sum of its proper divisors (69815645207).

204022042345 is a wasteful number, since it uses less digits than its factorization.

204022042345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 204022042345 its reverse (543240220402), we get a palindrome (747262262747).

The spelling of 204022042345 in words is "two hundred four billion, twenty-two million, forty-two thousand, three hundred forty-five".