220044286863 has 12 divisors (see below), whose sum is σ = 319267049920. Its totient is φ = 146038359456.

The previous prime is 220044286849. The next prime is 220044286981. The reversal of 220044286863 is 368682440022.

It is a de Polignac number, because none of the positive numbers 2^k-220044286863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220044296863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54817198 + ... + 54821211.

Almost surely, 2^220044286863 is an apocalyptic number.

220044286863 is a deficient number, since it is larger than the sum of its proper divisors (99222763057).

220044286863 is a wasteful number, since it uses less digits than its factorization.

220044286863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109638638 (or 109638635 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 220044286863 in words is "two hundred twenty billion, forty-four million, two hundred eighty-six thousand, eight hundred sixty-three".