20782848 has 36 divisors (see below), whose sum is σ = 55314728. Its totient is φ = 6927360.

The previous prime is 20782829. The next prime is 20782849. The reversal of 20782848 is 84828702.

It is a super-2 number, since 2×20782848² = 863853541982208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20782849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12763 + ... + 14298.

Almost surely, 2^20782848 is an apocalyptic number.

It is an amenable number.

20782848 is an abundant number, since it is smaller than the sum of its proper divisors (34531880).

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

20782848 is an equidigital number, since it uses as much as digits as its factorization.

20782848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27080 (or 27066 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 20782848 is about 4558.8209001890. The cubic root of 20782848 is about 274.9381590973.

The spelling of 20782848 in words is "twenty million, seven hundred eighty-two thousand, eight hundred forty-eight".