2016920 has 16 divisors (see below), whose sum is σ = 4538160. Its totient is φ = 806752.

The previous prime is 2016919. The next prime is 2016923. The reversal of 2016920 is 296102.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2016892 and 2016901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25172 + ... + 25251.

It is an arithmetic number, because the mean of its divisors is an integer number (283635).

2^2016920 is an apocalyptic number.

2016920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016920 is an abundant number, since it is smaller than the sum of its proper divisors (2521240).

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

2016920 is a wasteful number, since it uses less digits than its factorization.

2016920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50434 (or 50430 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2016920 is about 1420.1830867885. The cubic root of 2016920 is about 126.3464054687.

The spelling of 2016920 in words is "two million, sixteen thousand, nine hundred twenty".