20423113022 has 32 divisors (see below), whose sum is σ = 33975244800. Its totient is φ = 9148939488.

The previous prime is 20423113019. The next prime is 20423113043. The reversal of 20423113022 is 22031132402.

It is a junction number, because it is equal to n+sod(n) for n = 20423112985 and 20423113003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36923 + ... + 205449.

It is an arithmetic number, because the mean of its divisors is an integer number (1061726400).

Almost surely, 2^20423113022 is an apocalyptic number.

20423113022 is a deficient number, since it is larger than the sum of its proper divisors (13552131778).

20423113022 is a wasteful number, since it uses less digits than its factorization.

20423113022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168680.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20423113022 its reverse (22031132402), we get a palindrome (42454245424).

The spelling of 20423113022 in words is "twenty billion, four hundred twenty-three million, one hundred thirteen thousand, twenty-two".