20323312222 has 8 divisors (see below), whose sum is σ = 31228504272. Its totient is φ = 9913810800.

The previous prime is 20323312169. The next prime is 20323312231. The reversal of 20323312222 is 22221332302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20323312193 and 20323312202.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 123922554 + ... + 123922717.

It is an arithmetic number, because the mean of its divisors is an integer number (3903563034).

Almost surely, 2^20323312222 is an apocalyptic number.

20323312222 is a deficient number, since it is larger than the sum of its proper divisors (10905192050).

20323312222 is a wasteful number, since it uses less digits than its factorization.

20323312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247845314.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20323312222 its reverse (22221332302), we get a palindrome (42544644524).

The spelling of 20323312222 in words is "twenty billion, three hundred twenty-three million, three hundred twelve thousand, two hundred twenty-two".