20082940 has 24 divisors (see below), whose sum is σ = 42588000. Its totient is φ = 7954368.

The previous prime is 20082911. The next prime is 20082961. The reversal of 20082940 is 4928002.

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, 2815 + ... + 6934.

It is an arithmetic number, because the mean of its divisors is an integer number (1774500).

Almost surely, 2^20082940 is an apocalyptic number.

20082940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20082940 is an abundant number, since it is smaller than the sum of its proper divisors (22505060).

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

20082940 is a wasteful number, since it uses less digits than its factorization.

20082940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9861 (or 9859 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 20082940 is about 4481.3993350292. The cubic root of 20082940 is about 271.8164671631.

The spelling of 20082940 in words is "twenty million, eighty-two thousand, nine hundred forty".