2012003660 has 48 divisors (see below), whose sum is σ = 4516489152. Its totient is φ = 751027200.

The previous prime is 2012003659. The next prime is 2012003677. The reversal of 2012003660 is 663002102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34481 + ... + 72200.

It is an arithmetic number, because the mean of its divisors is an integer number (94093524).

Almost surely, 2^2012003660 is an apocalyptic number.

2012003660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012003660 is an abundant number, since it is smaller than the sum of its proper divisors (2504485492).

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

2012003660 is a wasteful number, since it uses less digits than its factorization.

2012003660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106754 (or 106752 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2012003660 is about 44855.3637818266. The cubic root of 2012003660 is about 1262.4366345350.

Adding to 2012003660 its reverse (663002102), we get a palindrome (2675005762).

The spelling of 2012003660 in words is "two billion, twelve million, three thousand, six hundred sixty".