4010020 has 24 divisors (see below), whose sum is σ = 9624384. Its totient is φ = 1374816.

The previous prime is 4009991. The next prime is 4010021. The reversal of 4010020 is 200104.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 4009985 and 4010012.

It is not an unprimeable number, because it can be changed into a prime (4010021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14182 + ... + 14461.

It is an arithmetic number, because the mean of its divisors is an integer number (401016).

Almost surely, 2^4010020 is an apocalyptic number.

It is an amenable number.

4010020 is an abundant number, since it is smaller than the sum of its proper divisors (5614364).

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

4010020 is a wasteful number, since it uses less digits than its factorization.

4010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28659 (or 28657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 4010020 is about 2002.5034332055. The cubic root of 4010020 is about 158.8725426609.

Adding to 4010020 its reverse (200104), we get a palindrome (4210124).

The spelling of 4010020 in words is "four million, ten thousand, twenty".