20322201330 has 24 divisors (see below), whose sum is σ = 52837723692. Its totient is φ = 5419253664.

The previous prime is 20322201313. The next prime is 20322201343. The reversal of 20322201330 is 3310222302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20167124121 + 155077209 = 142011^2 + 12453^2 .

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

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 11 ways as a sum of consecutive naturals, for example, 112901029 + ... + 112901208.

Almost surely, 2^20322201330 is an apocalyptic number.

20322201330 is an abundant number, since it is smaller than the sum of its proper divisors (32515522362).

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

20322201330 is a wasteful number, since it uses less digits than its factorization.

20322201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225802250 (or 225802247 counting only the distinct ones).

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

Adding to 20322201330 its reverse (3310222302), we get a palindrome (23632423632).

The spelling of 20322201330 in words is "twenty billion, three hundred twenty-two million, two hundred one thousand, three hundred thirty".