20322210012 has 48 divisors (see below), whose sum is σ = 51137372160. Its totient is φ = 6244256448.

The previous prime is 20322209993. The next prime is 20322210037. The reversal of 20322210012 is 21001222302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20322209973 and 20322210000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21573 + ... + 202755.

It is an arithmetic number, because the mean of its divisors is an integer number (1065361920).

Almost surely, 2^20322210012 is an apocalyptic number.

It is an amenable number.

20322210012 is an abundant number, since it is smaller than the sum of its proper divisors (30815162148).

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

20322210012 is a wasteful number, since it uses less digits than its factorization.

20322210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181922 (or 181920 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20322210012 its reverse (21001222302), we get a palindrome (41323432314).

The spelling of 20322210012 in words is "twenty billion, three hundred twenty-two million, two hundred ten thousand, twelve".