12020027660 has 24 divisors (see below), whose sum is σ = 25314399600. Its totient is φ = 4794231744.

The previous prime is 12020027659. The next prime is 12020027707. The reversal of 12020027660 is 6672002021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854054 + ... + 868013.

It is an arithmetic number, because the mean of its divisors is an integer number (1054766650).

Almost surely, 2^12020027660 is an apocalyptic number.

12020027660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020027660 is an abundant number, since it is smaller than the sum of its proper divisors (13294371940).

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

12020027660 is a wasteful number, since it uses less digits than its factorization.

12020027660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722425 (or 1722423 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

Adding to 12020027660 its reverse (6672002021), we get a palindrome (18692029681).

The spelling of 12020027660 in words is "twelve billion, twenty million, twenty-seven thousand, six hundred sixty".