20683016 has 16 divisors (see below), whose sum is σ = 41062140. Its totient is φ = 9733120.

The previous prime is 20683009. The next prime is 20683021. The reversal of 20683016 is 61038602.

It can be written as a sum of positive squares in 2 ways, for example, as 20666116 + 16900 = 4546^2 + 130^2 .

It is a congruent number.

It is an unprimeable number.

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, 75905 + ... + 76176.

Almost surely, 2^20683016 is an apocalyptic number.

It is an amenable number.

20683016 is a deficient number, since it is larger than the sum of its proper divisors (20379124).

20683016 is a wasteful number, since it uses less digits than its factorization.

20683016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152104 (or 152100 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20683016 is about 4547.8583970920. The cubic root of 20683016 is about 274.4972234936.

The spelling of 20683016 in words is "twenty million, six hundred eighty-three thousand, sixteen".