20220123122 has 16 divisors (see below), whose sum is σ = 30439029912. Its totient is φ = 10073842560.

The previous prime is 20220123113. The next prime is 20220123127. The reversal of 20220123122 is 22132102202.

It can be written as a sum of positive squares in 4 ways, for example, as 19982932321 + 237190801 = 141361^2 + 15401^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20220123122.

It is not an unprimeable number, because it can be changed into a prime (20220123127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654872 + ... + 685052.

Almost surely, 2^20220123122 is an apocalyptic number.

20220123122 is a deficient number, since it is larger than the sum of its proper divisors (10218906790).

20220123122 is a wasteful number, since it uses less digits than its factorization.

20220123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31373.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20220123122 its reverse (22132102202), we get a palindrome (42352225324).

The spelling of 20220123122 in words is "twenty billion, two hundred twenty million, one hundred twenty-three thousand, one hundred twenty-two".