20424043304 has 64 divisors (see below), whose sum is σ = 46369532160. Its totient is φ = 8233067520.

The previous prime is 20424043301. The next prime is 20424043399. The reversal of 20424043304 is 40334042402.

It is not an unprimeable number, because it can be changed into a prime (20424043301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1737254 + ... + 1748970.

It is an arithmetic number, because the mean of its divisors is an integer number (724523940).

Almost surely, 2^20424043304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20424043304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23184766080).

20424043304 is an abundant number, since it is smaller than the sum of its proper divisors (25945488856).

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

20424043304 is a wasteful number, since it uses less digits than its factorization.

20424043304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13578 (or 13574 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 20424043304 its reverse (40334042402), we get a palindrome (60758085706).

The spelling of 20424043304 in words is "twenty billion, four hundred twenty-four million, forty-three thousand, three hundred four".