20460782 has 16 divisors (see below), whose sum is σ = 31212000. Its totient is φ = 10058400.

The previous prime is 20460779. The next prime is 20460799. The reversal of 20460782 is 28706402.

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 7 ways as a sum of consecutive naturals, for example, 39944 + ... + 40452.

It is an arithmetic number, because the mean of its divisors is an integer number (1950750).

Almost surely, 2^20460782 is an apocalyptic number.

20460782 is a deficient number, since it is larger than the sum of its proper divisors (10751218).

20460782 is a wasteful number, since it uses less digits than its factorization.

20460782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 20460782 is about 4523.3595921616. The cubic root of 20460782 is about 273.5105457334.

The spelling of 20460782 in words is "twenty million, four hundred sixty thousand, seven hundred eighty-two".