20600984 has 8 divisors (see below), whose sum is σ = 38626860. Its totient is φ = 10300488.

The previous prime is 20600977. The next prime is 20601023. The reversal of 20600984 is 48900602.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1287554 + ... + 1287569.

Almost surely, 2^20600984 is an apocalyptic number.

It is an amenable number.

20600984 is a deficient number, since it is larger than the sum of its proper divisors (18025876).

20600984 is a wasteful number, since it uses less digits than its factorization.

20600984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575129 (or 2575125 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 20600984 is about 4538.8306864213. The cubic root of 20600984 is about 274.1338433599.

The spelling of 20600984 in words is "twenty million, six hundred thousand, nine hundred eighty-four".