27147706020 has 36 divisors (see below), whose sum is σ = 82348042140. Its totient is φ = 7239388224.

The previous prime is 27147705911. The next prime is 27147706031. The reversal of 27147706020 is 2060774172.

It is a happy number.

27147706020 is a `hidden beast` number, since 2 + 7 + 1 + 47 + 7 + 0 + 602 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19616243364 + 7531462656 = 140058^2 + 86784^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75410115 + ... + 75410474.

It is an arithmetic number, because the mean of its divisors is an integer number (2287445615).

Almost surely, 2^27147706020 is an apocalyptic number.

27147706020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27147706020 is an abundant number, since it is smaller than the sum of its proper divisors (55200336120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27147706020 is a wasteful number, since it uses less digits than its factorization.

27147706020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150820604 (or 150820599 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The spelling of 27147706020 in words is "twenty-seven billion, one hundred forty-seven million, seven hundred six thousand, twenty".