4051020 has 48 divisors (see below), whose sum is σ = 11467008. Its totient is φ = 1068480.

The previous prime is 4051007. The next prime is 4051051. The reversal of 4051020 is 201504.

4051020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 4050987 and 4051005.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6105 + ... + 6735.

It is an arithmetic number, because the mean of its divisors is an integer number (238896).

Almost surely, 2^4051020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733504).

4051020 is an abundant number, since it is smaller than the sum of its proper divisors (7415988).

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

4051020 is a wasteful number, since it uses less digits than its factorization.

4051020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 4051020 is about 2012.7145848331. The cubic root of 4051020 is about 159.4121658806.

Adding to 4051020 its reverse (201504), we get a palindrome (4252524).

The spelling of 4051020 in words is "four million, fifty-one thousand, twenty".