20123213322 has 16 divisors (see below), whose sum is σ = 40454959680. Its totient is φ = 6672982272.

The previous prime is 20123213317. The next prime is 20123213339. The reversal of 20123213322 is 22331232102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8687622 + ... + 8689937.

It is an arithmetic number, because the mean of its divisors is an integer number (2528434980).

Almost surely, 2^20123213322 is an apocalyptic number.

20123213322 is an abundant number, since it is smaller than the sum of its proper divisors (20331746358).

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

20123213322 is a wasteful number, since it uses less digits than its factorization.

20123213322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17377757.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20123213322 its reverse (22331232102), we get a palindrome (42454445424).

The spelling of 20123213322 in words is "twenty billion, one hundred twenty-three million, two hundred thirteen thousand, three hundred twenty-two".