20424096 has 192 divisors, whose sum is σ = 74511360. Its totient is φ = 5287680.

The previous prime is 20424067. The next prime is 20424101. The reversal of 20424096 is 69042402.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66375 + ... + 66681.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

Almost surely, 2^20424096 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 20424096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37255680).

20424096 is an abundant number, since it is smaller than the sum of its proper divisors (54087264).

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

20424096 is a wasteful number, since it uses less digits than its factorization.

20424096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20424096 is about 4519.3026010658. The cubic root of 20424096 is about 273.3469806128.

Adding to 20424096 its reverse (69042402), we get a palindrome (89466498).

The spelling of 20424096 in words is "twenty million, four hundred twenty-four thousand, ninety-six".