20660327084 has 24 divisors (see below), whose sum is σ = 39286195200. Its totient is φ = 9470777040.

The previous prime is 20660327081. The next prime is 20660327143. The reversal of 20660327084 is 48072306602.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (20660327081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382264 + ... + 4386975.

It is an arithmetic number, because the mean of its divisors is an integer number (1636924800).

Almost surely, 2^20660327084 is an apocalyptic number.

It is an amenable number.

20660327084 is a deficient number, since it is larger than the sum of its proper divisors (18625868116).

20660327084 is a wasteful number, since it uses less digits than its factorization.

20660327084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769293 (or 8769291 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 20660327084 in words is "twenty billion, six hundred sixty million, three hundred twenty-seven thousand, eighty-four".