20983084 has 12 divisors (see below), whose sum is σ = 38317104. Its totient is φ = 10035344.

The previous prime is 20983073. The next prime is 20983091. The reversal of 20983084 is 48038902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113947 + ... + 114130.

It is an arithmetic number, because the mean of its divisors is an integer number (3193092).

Almost surely, 2^20983084 is an apocalyptic number.

It is an amenable number.

20983084 is a deficient number, since it is larger than the sum of its proper divisors (17334020).

20983084 is a wasteful number, since it uses less digits than its factorization.

20983084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228104 (or 228102 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 20983084 is about 4580.7296362043. The cubic root of 20983084 is about 275.8183184346.

The spelling of 20983084 in words is "twenty million, nine hundred eighty-three thousand, eighty-four".