2020115660 has 48 divisors (see below), whose sum is σ = 4329867360. Its totient is φ = 791493120.

The previous prime is 2020115623. The next prime is 2020115683. The reversal of 2020115660 is 665110202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238376 + ... + 246704.

It is an arithmetic number, because the mean of its divisors is an integer number (90205570).

Almost surely, 2^2020115660 is an apocalyptic number.

2020115660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020115660 is an abundant number, since it is smaller than the sum of its proper divisors (2309751700).

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

2020115660 is a wasteful number, since it uses less digits than its factorization.

2020115660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586 (or 8584 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2020115660 is about 44945.6967906829. The cubic root of 2020115660 is about 1264.1309909045.

Adding to 2020115660 its reverse (665110202), we get a palindrome (2685225862).

The spelling of 2020115660 in words is "two billion, twenty million, one hundred fifteen thousand, six hundred sixty".