220543105544 has 16 divisors (see below), whose sum is σ = 413525113920. Its totient is φ = 110269741840.

The previous prime is 220543105499. The next prime is 220543105591. The reversal of 220543105544 is 445501345022.

It is a super-2 number, since 2×220543105544² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389909 + ... + 770139.

It is an arithmetic number, because the mean of its divisors is an integer number (25845319620).

Almost surely, 2^220543105544 is an apocalyptic number.

It is an amenable number.

220543105544 is a deficient number, since it is larger than the sum of its proper divisors (192982008376).

220543105544 is a wasteful number, since it uses less digits than its factorization.

220543105544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452740 (or 452736 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 220543105544 in words is "two hundred twenty billion, five hundred forty-three million, one hundred five thousand, five hundred forty-four".