20660240060 has 48 divisors (see below), whose sum is σ = 44119676160. Its totient is φ = 8124579840.

The previous prime is 20660240053. The next prime is 20660240071. The reversal of 20660240060 is 6004206602.

It is a congruent number.

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, 4058837 + ... + 4063923.

It is an arithmetic number, because the mean of its divisors is an integer number (919159920).

Almost surely, 2^20660240060 is an apocalyptic number.

20660240060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20660240060 is an abundant number, since it is smaller than the sum of its proper divisors (23459436100).

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

20660240060 is a wasteful number, since it uses less digits than its factorization.

20660240060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8486 (or 8484 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20660240060 its reverse (6004206602), we get a palindrome (26664446662).

The spelling of 20660240060 in words is "twenty billion, six hundred sixty million, two hundred forty thousand, sixty".