20322231330 has 32 divisors (see below), whose sum is σ = 48789417600. Its totient is φ = 5417476992.

The previous prime is 20322231289. The next prime is 20322231343. The reversal of 20322231330 is 3313222302.

It is a junction number, because it is equal to n+sod(n) for n = 20322231297 and 20322231306.

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, 17635 + ... + 202374.

It is an arithmetic number, because the mean of its divisors is an integer number (1524669300).

Almost surely, 2^20322231330 is an apocalyptic number.

20322231330 is an abundant number, since it is smaller than the sum of its proper divisors (28467186270).

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

20322231330 is a wasteful number, since it uses less digits than its factorization.

20322231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223098.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20322231330 its reverse (3313222302), we get a palindrome (23635453632).

The spelling of 20322231330 in words is "twenty billion, three hundred twenty-two million, two hundred thirty-one thousand, three hundred thirty".