20082660 has 48 divisors (see below), whose sum is σ = 60559296. Its totient is φ = 4943232.

The previous prime is 20082659. The next prime is 20082683. The reversal of 20082660 is 6628002.

It is a self number, because there is not a number n which added to its sum of digits gives 20082660.

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, 12094 + ... + 13653.

It is an arithmetic number, because the mean of its divisors is an integer number (1261652).

Almost surely, 2^20082660 is an apocalyptic number.

20082660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20082660 is an abundant number, since it is smaller than the sum of its proper divisors (40476636).

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

20082660 is a wasteful number, since it uses less digits than its factorization.

20082660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25772 (or 25770 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20082660 is about 4481.3680946782. The cubic root of 20082660 is about 271.8152039191.

The spelling of 20082660 in words is "twenty million, eighty-two thousand, six hundred sixty".