20092660 has 24 divisors (see below), whose sum is σ = 48222720. Its totient is φ = 6888864.

The previous prime is 20092609. The next prime is 20092673. The reversal of 20092660 is 6629002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71620 + ... + 71899.

It is an arithmetic number, because the mean of its divisors is an integer number (2009280).

Almost surely, 2^20092660 is an apocalyptic number.

20092660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20092660 is an abundant number, since it is smaller than the sum of its proper divisors (28130060).

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

20092660 is a wasteful number, since it uses less digits than its factorization.

20092660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143535 (or 143533 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20092660 is about 4482.4836865292. The cubic root of 20092660 is about 271.8603125020.

The spelling of 20092660 in words is "twenty million, ninety-two thousand, six hundred sixty".