20452096 has 72 divisors (see below), whose sum is σ = 47535264. Its totient is φ = 8601600.

The previous prime is 20452093. The next prime is 20452109. The reversal of 20452096 is 69025402.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (20452093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180936 + ... + 181048.

It is an arithmetic number, because the mean of its divisors is an integer number (660212).

Almost surely, 2^20452096 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 20452096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23767632).

20452096 is an abundant number, since it is smaller than the sum of its proper divisors (27083168).

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

20452096 is a wasteful number, since it uses less digits than its factorization.

20452096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20452096 is about 4522.3993631700. The cubic root of 20452096 is about 273.4718367394.

Adding to 20452096 its reverse (69025402), we get a palindrome (89477498).

The spelling of 20452096 in words is "twenty million, four hundred fifty-two thousand, ninety-six".