220040344 has 16 divisors (see below), whose sum is σ = 414429120. Its totient is φ = 109525920.

The previous prime is 220040339. The next prime is 220040351. The reversal of 220040344 is 443040022.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 59887 + ... + 63454.

It is an arithmetic number, because the mean of its divisors is an integer number (25901820).

Almost surely, 2^220040344 is an apocalyptic number.

It is an amenable number.

220040344 is a deficient number, since it is larger than the sum of its proper divisors (194388776).

220040344 is a wasteful number, since it uses less digits than its factorization.

220040344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123570 (or 123566 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 220040344 is about 14833.7569078100. The cubic root of 220040344 is about 603.7179728019.

Adding to 220040344 its reverse (443040022), we get a palindrome (663080366).

The spelling of 220040344 in words is "two hundred twenty million, forty thousand, three hundred forty-four".