220020321330 has 32 divisors (see below), whose sum is σ = 586720857600. Its totient is φ = 58672085616.

The previous prime is 220020321329. The next prime is 220020321343. The reversal of 220020321330 is 33123020022.

It is a happy number.

220020321330 is a `hidden beast` number, since 220 + 0 + 203 + 213 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407444770 + ... + 407445309.

It is an arithmetic number, because the mean of its divisors is an integer number (18335026800).

Almost surely, 2^220020321330 is an apocalyptic number.

220020321330 is an abundant number, since it is smaller than the sum of its proper divisors (366700536270).

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

220020321330 is a wasteful number, since it uses less digits than its factorization.

220020321330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814890095 (or 814890089 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 220020321330 its reverse (33123020022), we get a palindrome (253143341352).

The spelling of 220020321330 in words is "two hundred twenty billion, twenty million, three hundred twenty-one thousand, three hundred thirty".