20113023122 has 8 divisors (see below), whose sum is σ = 30250419276. Its totient is φ = 10029550032.

The previous prime is 20113023121. The next prime is 20113023127. The reversal of 20113023122 is 22132031102.

It can be written as a sum of positive squares in 2 ways, for example, as 19096752481 + 1016270641 = 138191^2 + 31879^2 .

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

It is a super-2 number, since 2×20113023122² (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 20113023122.

It is not an unprimeable number, because it can be changed into a prime (20113023121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13479833 + ... + 13481324.

Almost surely, 2^20113023122 is an apocalyptic number.

20113023122 is a deficient number, since it is larger than the sum of its proper divisors (10137396154).

20113023122 is a wasteful number, since it uses less digits than its factorization.

20113023122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26961532.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20113023122 its reverse (22132031102), we get a palindrome (42245054224).

The spelling of 20113023122 in words is "twenty billion, one hundred thirteen million, twenty-three thousand, one hundred twenty-two".