20604566211 has 8 divisors (see below), whose sum is σ = 27474162000. Its totient is φ = 13735673952.

The previous prime is 20604566189. The next prime is 20604566221. The reversal of 20604566211 is 11266540602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20604566211 - 2⁹ = 20604565699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20604566221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103260 + ... + 227753.

It is an arithmetic number, because the mean of its divisors is an integer number (3434270250).

Almost surely, 2^20604566211 is an apocalyptic number.

20604566211 is a deficient number, since it is larger than the sum of its proper divisors (6869595789).

20604566211 is a wasteful number, since it uses less digits than its factorization.

20604566211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351765.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 20604566211 in words is "twenty billion, six hundred four million, five hundred sixty-six thousand, two hundred eleven".