4082020 has 12 divisors (see below), whose sum is σ = 8572284. Its totient is φ = 1632800.

The previous prime is 4081999. The next prime is 4082021. The reversal of 4082020 is 202804.

4082020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2876416 + 1205604 = 1696^2 + 1098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4081985 and 4082003.

It is not an unprimeable number, because it can be changed into a prime (4082021) 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, 102031 + ... + 102070.

It is an arithmetic number, because the mean of its divisors is an integer number (714357).

Almost surely, 2^4082020 is an apocalyptic number.

It is an amenable number.

4082020 is an abundant number, since it is smaller than the sum of its proper divisors (4490264).

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

4082020 is a wasteful number, since it uses less digits than its factorization.

4082020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204110 (or 204108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4082020 is about 2020.4009503066. The cubic root of 4082020 is about 159.8177612603.

Adding to 4082020 its reverse (202804), we get a palindrome (4284824).

The spelling of 4082020 in words is "four million, eighty-two thousand, twenty".