220320021032 has 16 divisors (see below), whose sum is σ = 416115370260. Its totient is φ = 109355922304.

The previous prime is 220320021007. The next prime is 220320021067. The reversal of 220320021032 is 230120023022.

It can be written as a sum of positive squares in 2 ways, for example, as 216211980196 + 4108040836 = 464986^2 + 64094^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220320021032.

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, 100509863 + ... + 100512054.

Almost surely, 2^220320021032 is an apocalyptic number.

It is an amenable number.

220320021032 is a deficient number, since it is larger than the sum of its proper divisors (195795349228).

220320021032 is a wasteful number, since it uses less digits than its factorization.

220320021032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201022060 (or 201022056 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 220320021032 its reverse (230120023022), we get a palindrome (450440044054).

The spelling of 220320021032 in words is "two hundred twenty billion, three hundred twenty million, twenty-one thousand, thirty-two".