2016020 has 12 divisors (see below), whose sum is σ = 4233684. Its totient is φ = 806400.

The previous prime is 2016017. The next prime is 2016029. The reversal of 2016020 is 206102.

It can be written as a sum of positive squares in 2 ways, for example, as 204304 + 1811716 = 452^2 + 1346^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2015992 and 2016010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50381 + ... + 50420.

It is an arithmetic number, because the mean of its divisors is an integer number (352807).

2^2016020 is an apocalyptic number.

2016020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2016020 is an abundant number, since it is smaller than the sum of its proper divisors (2217664).

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

2016020 is a wasteful number, since it uses less digits than its factorization.

2016020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100810 (or 100808 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2016020 is about 1419.8661908786. The cubic root of 2016020 is about 126.3276097004.

It can be divided in two parts, 20 and 16020, that multiplied together give a triangular number (320400 = T₈₀₀).

The spelling of 2016020 in words is "two million, sixteen thousand, twenty".