204243505022 has 16 divisors (see below), whose sum is σ = 323602616832. Its totient is φ = 96529187160.

The previous prime is 204243505019. The next prime is 204243505033. The reversal of 204243505022 is 220505342402.

It is a super-3 number, since 3×204243505022³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38302568 + ... + 38307899.

It is an arithmetic number, because the mean of its divisors is an integer number (20225163552).

Almost surely, 2^204243505022 is an apocalyptic number.

204243505022 is a deficient number, since it is larger than the sum of its proper divisors (119359111810).

204243505022 is a wasteful number, since it uses less digits than its factorization.

204243505022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76610543.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 204243505022 its reverse (220505342402), we get a palindrome (424748847424).

The spelling of 204243505022 in words is "two hundred four billion, two hundred forty-three million, five hundred five thousand, twenty-two".