220004316205656 has 16 divisors (see below), whose sum is σ = 550010790514200. Its totient is φ = 73334772068544.

The previous prime is 220004316205621. The next prime is 220004316205741. The reversal of 220004316205656 is 656502613400022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4583423254261 + ... + 4583423254308.

Almost surely, 2^{220004316205656} is an apocalyptic number.

It is an amenable number.

220004316205656 is an abundant number, since it is smaller than the sum of its proper divisors (330006474308544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220004316205656 is a wasteful number, since it uses less digits than its factorization.

220004316205656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166846508578 (or 9166846508574 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

Adding to 220004316205656 its reverse (656502613400022), we get a palindrome (876506929605678).

The spelling of 220004316205656 in words is "two hundred twenty trillion, four billion, three hundred sixteen million, two hundred five thousand, six hundred fifty-six".