20183296 has 54 divisors (see below), whose sum is σ = 46894470. Its totient is φ = 8644608.

The previous prime is 20183287. The next prime is 20183309. The reversal of 20183296 is 69238102.

It can be written as a sum of positive squares in only one way, i.e., 20070400 + 112896 = 4480^2 + 336^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11740 + ... + 13348.

Almost surely, 2^20183296 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 20183296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23447235).

20183296 is an abundant number, since it is smaller than the sum of its proper divisors (26711174).

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

20183296 is an equidigital number, since it uses as much as digits as its factorization.

20183296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1618 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 20183296 is about 4492.5823309095. The cubic root of 20183296 is about 272.2684777030.

The spelling of 20183296 in words is "twenty million, one hundred eighty-three thousand, two hundred ninety-six".