20081027601 has 30 divisors (see below), whose sum is σ = 30741734562. Its totient is φ = 13055519520.

The previous prime is 20081027581. The next prime is 20081027609. The reversal of 20081027601 is 10672018002.

20081027601 is a `hidden beast` number, since 20 + 0 + 8 + 10 + 27 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12244529025 + 7836498576 = 110655^2 + 88524^2 .

It is not a de Polignac number, because 20081027601 - 2¹⁴ = 20081011217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20081027609) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8165110 + ... + 8167568.

Almost surely, 2^20081027601 is an apocalyptic number.

It is an amenable number.

20081027601 is a deficient number, since it is larger than the sum of its proper divisors (10660706961).

20081027601 is an frugal number, since it uses more digits than its factorization.

20081027601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4971 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 20081027601 in words is "twenty billion, eighty-one million, twenty-seven thousand, six hundred one".