20430323124 has 24 divisors (see below), whose sum is σ = 48833456448. Its totient is φ = 6644007360.

The previous prime is 20430323063. The next prime is 20430323143. The reversal of 20430323124 is 42132303402.

It is a junction number, because it is equal to n+sod(n) for n = 20430323094 and 20430323103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20762032 + ... + 20763015.

It is an arithmetic number, because the mean of its divisors is an integer number (2034727352).

Almost surely, 2^20430323124 is an apocalyptic number.

It is an amenable number.

20430323124 is an abundant number, since it is smaller than the sum of its proper divisors (28403133324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430323124 is a wasteful number, since it uses less digits than its factorization.

20430323124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41525095 (or 41525093 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 20430323124 its reverse (42132303402), we get a palindrome (62562626526).

The spelling of 20430323124 in words is "twenty billion, four hundred thirty million, three hundred twenty-three thousand, one hundred twenty-four".