20323124404 has 24 divisors (see below), whose sum is σ = 38900026368. Its totient is φ = 9213656640.

The previous prime is 20323124399. The next prime is 20323124417. The reversal of 20323124404 is 40442132302.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 586137 + ... + 619840.

It is an arithmetic number, because the mean of its divisors is an integer number (1620834432).

Almost surely, 2^20323124404 is an apocalyptic number.

It is an amenable number.

20323124404 is a deficient number, since it is larger than the sum of its proper divisors (18576901964).

20323124404 is a wasteful number, since it uses less digits than its factorization.

20323124404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206375 (or 1206373 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20323124404 its reverse (40442132302), we get a palindrome (60765256706).

The spelling of 20323124404 in words is "twenty billion, three hundred twenty-three million, one hundred twenty-four thousand, four hundred four".