20785048 has 16 divisors (see below), whose sum is σ = 39078000. Its totient is φ = 10364256.

The previous prime is 20785043. The next prime is 20785049. The reversal of 20785048 is 84058702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20785043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (2442375).

Almost surely, 2^20785048 is an apocalyptic number.

It is an amenable number.

20785048 is a deficient number, since it is larger than the sum of its proper divisors (18292952).

20785048 is a wasteful number, since it uses less digits than its factorization.

20785048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 20785048 is about 4559.0621842655. The cubic root of 20785048 is about 274.9478600874.

The spelling of 20785048 in words is "twenty million, seven hundred eighty-five thousand, forty-eight".