220021032322 has 128 divisors (see below), whose sum is σ = 441286755840. Its totient is φ = 79794339840.

The previous prime is 220021032241. The next prime is 220021032377. The reversal of 220021032322 is 223230120022.

It is a self number, because there is not a number n which added to its sum of digits gives 220021032322.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117846433 + ... + 117848299.

It is an arithmetic number, because the mean of its divisors is an integer number (3447552780).

Almost surely, 2^220021032322 is an apocalyptic number.

220021032322 is an abundant number, since it is smaller than the sum of its proper divisors (221265723518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220021032322 is a wasteful number, since it uses less digits than its factorization.

220021032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 220021032322 its reverse (223230120022), we get a palindrome (443251152344).

The spelling of 220021032322 in words is "two hundred twenty billion, twenty-one million, thirty-two thousand, three hundred twenty-two".