20322220032330 has 128 divisors (see below), whose sum is σ = 49807788226560. Its totient is φ = 5305674105600.

The previous prime is 20322220032259. The next prime is 20322220032337. The reversal of 20322220032330 is 3323002222302.

It is a self number, because there is not a number n which added to its sum of digits gives 20322220032330.

It is not an unprimeable number, because it can be changed into a prime (20322220032337) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 213109801 + ... + 213205139.

It is an arithmetic number, because the mean of its divisors is an integer number (389123345520).

Almost surely, 2^{20322220032330} is an apocalyptic number.

20322220032330 is an abundant number, since it is smaller than the sum of its proper divisors (29485568194230).

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

20322220032330 is a wasteful number, since it uses less digits than its factorization.

20322220032330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96236.

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 20322220032330 its reverse (3323002222302), we get a palindrome (23645222254632).

The spelling of 20322220032330 in words is "twenty trillion, three hundred twenty-two billion, two hundred twenty million, thirty-two thousand, three hundred thirty".