20026782 has 24 divisors (see below), whose sum is σ = 45944496. Its totient is φ = 6282816.

The previous prime is 20026759. The next prime is 20026801. The reversal of 20026782 is 28762002.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 32418 + ... + 33029.

It is an arithmetic number, because the mean of its divisors is an integer number (1914354).

Almost surely, 2^20026782 is an apocalyptic number.

20026782 is an abundant number, since it is smaller than the sum of its proper divisors (25917714).

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

20026782 is a wasteful number, since it uses less digits than its factorization.

20026782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65472 (or 65469 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20026782 is about 4475.1292718758. The cubic root of 20026782 is about 271.5628701711.

Adding to 20026782 its reverse (28762002), we get a palindrome (48788784).

The spelling of 20026782 in words is "twenty million, twenty-six thousand, seven hundred eighty-two".