4052020 has 48 divisors (see below), whose sum is σ = 9854208. Its totient is φ = 1370880.

The previous prime is 4051991. The next prime is 4052021. The reversal of 4052020 is 202504.

It is a happy number.

4052020 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

4052020 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14280 + ... + 14560.

It is an arithmetic number, because the mean of its divisors is an integer number (205296).

Almost surely, 2^4052020 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 4052020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4927104).

4052020 is an abundant number, since it is smaller than the sum of its proper divisors (5802188).

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

4052020 is a wasteful number, since it uses less digits than its factorization.

4052020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4052020 is about 2012.9629902211. The cubic root of 4052020 is about 159.4252818407.

Adding to 4052020 its reverse (202504), we get a palindrome (4254524).

The spelling of 4052020 in words is "four million, fifty-two thousand, twenty".