220240983 has 16 divisors (see below), whose sum is σ = 302879456. Its totient is φ = 142248960.

The previous prime is 220240973. The next prime is 220240997. The reversal of 220240983 is 389042022.

It is not a de Polignac number, because 220240983 - 2¹⁰ = 220239959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220240983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220240973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22635 + ... + 30867.

It is an arithmetic number, because the mean of its divisors is an integer number (18929966).

Almost surely, 2^220240983 is an apocalyptic number.

220240983 is a deficient number, since it is larger than the sum of its proper divisors (82638473).

220240983 is a wasteful number, since it uses less digits than its factorization.

220240983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 220240983 is about 14840.5182860977. The cubic root of 220240983 is about 603.9014127572.

The spelling of 220240983 in words is "two hundred twenty million, two hundred forty thousand, nine hundred eighty-three".