20423036122 has 32 divisors (see below), whose sum is σ = 34164910080. Its totient is φ = 9099371520.

The previous prime is 20423036111. The next prime is 20423036159. The reversal of 20423036122 is 22163032402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1139047 + ... + 1156837.

It is an arithmetic number, because the mean of its divisors is an integer number (1067653440).

Almost surely, 2^20423036122 is an apocalyptic number.

20423036122 is a deficient number, since it is larger than the sum of its proper divisors (13741873958).

20423036122 is a wasteful number, since it uses less digits than its factorization.

20423036122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19606.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20423036122 its reverse (22163032402), we get a palindrome (42586068524).

The spelling of 20423036122 in words is "twenty billion, four hundred twenty-three million, thirty-six thousand, one hundred twenty-two".