2320066660 has 24 divisors (see below), whose sum is σ = 5029307136. Its totient is φ = 898090080.

The previous prime is 2320066643. The next prime is 2320066673. The reversal of 2320066660 is 666600232.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 1870402 + ... + 1871641.

It is an arithmetic number, because the mean of its divisors is an integer number (209554464).

Almost surely, 2^2320066660 is an apocalyptic number.

2320066660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320066660 is an abundant number, since it is smaller than the sum of its proper divisors (2709240476).

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

2320066660 is a wasteful number, since it uses less digits than its factorization.

2320066660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742083 (or 3742081 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 2320066660 is about 48167.0702866595. The cubic root of 2320066660 is about 1323.8338684954.

Adding to 2320066660 its reverse (666600232), we get a palindrome (2986666892).

The spelling of 2320066660 in words is "two billion, three hundred twenty million, sixty-six thousand, six hundred sixty".