2016420 has 48 divisors (see below), whose sum is σ = 6453888. Its totient is φ = 460800.

The previous prime is 2016419. The next prime is 2016439. The reversal of 2016420 is 246102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2016420.

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, 1981 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (134456).

2^2016420 is an apocalyptic number.

2016420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016420 is an abundant number, since it is smaller than the sum of its proper divisors (4437468).

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

2016420 is a wasteful number, since it uses less digits than its factorization.

2016420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2016420 is about 1420.0070422361. The cubic root of 2016420 is about 126.3359640656.

The spelling of 2016420 in words is "two million, sixteen thousand, four hundred twenty".