20782482 has 32 divisors (see below), whose sum is σ = 47803392. Its totient is φ = 5900304.

The previous prime is 20782477. The next prime is 20782499. The reversal of 20782482 is 28428702.

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 15 ways as a sum of consecutive naturals, for example, 5533 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 2^20782482 is an apocalyptic number.

20782482 is an abundant number, since it is smaller than the sum of its proper divisors (27020910).

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

20782482 is a wasteful number, since it uses less digits than its factorization.

20782482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 20782482 is about 4558.7807580536. The cubic root of 20782482 is about 274.9365451389.

It can be divided in two parts, 2078 and 2482, that added together give a triangular number (4560 = T₉₅).

The spelling of 20782482 in words is "twenty million, seven hundred eighty-two thousand, four hundred eighty-two".