220020813552 has 40 divisors (see below), whose sum is σ = 568410424960. Its totient is φ = 73337261760.

The previous prime is 220020813491. The next prime is 220020813643. The reversal of 220020813552 is 255318020022.

220020813552 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301349 + ... + 1460667.

It is an arithmetic number, because the mean of its divisors is an integer number (14210260624).

Almost surely, 2^220020813552 is an apocalyptic number.

It is an amenable number.

220020813552 is an abundant number, since it is smaller than the sum of its proper divisors (348389611408).

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

220020813552 is a wasteful number, since it uses less digits than its factorization.

220020813552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188101 (or 188095 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 220020813552 its reverse (255318020022), we get a palindrome (475338833574).

The spelling of 220020813552 in words is "two hundred twenty billion, twenty million, eight hundred thirteen thousand, five hundred fifty-two".