20113123222 has 8 divisors (see below), whose sum is σ = 30354775416. Its totient is φ = 9994864752.

The previous prime is 20113123213. The next prime is 20113123343. The reversal of 20113123222 is 22232131102.

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

It is a super-2 number, since 2×20113123222² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20113123222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30848023 + ... + 30848674.

It is an arithmetic number, because the mean of its divisors is an integer number (3794346927).

Almost surely, 2^20113123222 is an apocalyptic number.

20113123222 is a deficient number, since it is larger than the sum of its proper divisors (10241652194).

20113123222 is a wasteful number, since it uses less digits than its factorization.

20113123222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61696862.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20113123222 its reverse (22232131102), we get a palindrome (42345254324).

The spelling of 20113123222 in words is "twenty billion, one hundred thirteen million, one hundred twenty-three thousand, two hundred twenty-two".