220020330324 has 48 divisors (see below), whose sum is σ = 556221048768. Its totient is φ = 67420727808.

The previous prime is 220020330323. The next prime is 220020330331. The reversal of 220020330324 is 423033020022.

It is a self number, because there is not a number n which added to its sum of digits gives 220020330324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020330323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12532287 + ... + 12549830.

It is an arithmetic number, because the mean of its divisors is an integer number (11587938516).

Almost surely, 2^220020330324 is an apocalyptic number.

It is an amenable number.

220020330324 is an abundant number, since it is smaller than the sum of its proper divisors (336200718444).

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

220020330324 is a wasteful number, since it uses less digits than its factorization.

220020330324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25082184 (or 25082182 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 220020330324 its reverse (423033020022), we get a palindrome (643053350346).

The spelling of 220020330324 in words is "two hundred twenty billion, twenty million, three hundred thirty thousand, three hundred twenty-four".