20084536 has 8 divisors (see below), whose sum is σ = 37658520. Its totient is φ = 10042264.

The previous prime is 20084513. The next prime is 20084549. The reversal of 20084536 is 63548002.

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 1255276 + ... + 1255291.

It is an arithmetic number, because the mean of its divisors is an integer number (4707315).

Almost surely, 2^20084536 is an apocalyptic number.

It is an amenable number.

20084536 is a deficient number, since it is larger than the sum of its proper divisors (17573984).

20084536 is a wasteful number, since it uses less digits than its factorization.

20084536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510573 (or 2510569 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 20084536 is about 4481.5774008713. The cubic root of 20084536 is about 271.8236674301.

The spelling of 20084536 in words is "twenty million, eighty-four thousand, five hundred thirty-six".