27020566481 has 8 divisors (see below), whose sum is σ = 27723094080. Its totient is φ = 26321409072.

The previous prime is 27020566427. The next prime is 27020566511. The reversal of 27020566481 is 18466502072.

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

It is a cyclic number.

It is not a de Polignac number, because 27020566481 - 2³⁴ = 9840697297 is a prime.

It is a super-2 number, since 2×27020566481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27020566421) 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, 826301 + ... + 858378.

It is an arithmetic number, because the mean of its divisors is an integer number (3465386760).

Almost surely, 2^27020566481 is an apocalyptic number.

It is an amenable number.

27020566481 is a deficient number, since it is larger than the sum of its proper divisors (702527599).

27020566481 is a wasteful number, since it uses less digits than its factorization.

27020566481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685095.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 27020566481 in words is "twenty-seven billion, twenty million, five hundred sixty-six thousand, four hundred eighty-one".