2005092660 has 48 divisors (see below), whose sum is σ = 5645308032. Its totient is φ = 531734400.

The previous prime is 2005092619. The next prime is 2005092671. The reversal of 2005092660 is 662905002.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 81456 + ... + 103175.

It is an arithmetic number, because the mean of its divisors is an integer number (117610584).

Almost surely, 2^2005092660 is an apocalyptic number.

2005092660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005092660 is an abundant number, since it is smaller than the sum of its proper divisors (3640215372).

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

2005092660 is a wasteful number, since it uses less digits than its factorization.

2005092660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184824 (or 184822 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2005092660 is about 44778.2610202763. The cubic root of 2005092660 is about 1260.9895350911.

Adding to 2005092660 its reverse (662905002), we get a palindrome (2667997662).

The spelling of 2005092660 in words is "two billion, five million, ninety-two thousand, six hundred sixty".