20584204208 has 20 divisors (see below), whose sum is σ = 39897124248. Its totient is φ = 10288172160.

The previous prime is 20584204159. The next prime is 20584204313. The reversal of 20584204208 is 80240248502.

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, 202178 + ... + 286433.

Almost surely, 2^20584204208 is an apocalyptic number.

It is an amenable number.

20584204208 is a deficient number, since it is larger than the sum of its proper divisors (19312920040).

20584204208 is a wasteful number, since it uses less digits than its factorization.

20584204208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491252 (or 491246 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The spelling of 20584204208 in words is "twenty billion, five hundred eighty-four million, two hundred four thousand, two hundred eight".