4143020 has 48 divisors (see below), whose sum is σ = 10075968. Its totient is φ = 1401600.

The previous prime is 4143011. The next prime is 4143023. The reversal of 4143020 is 203414.

It is a super-2 number, since 2×4143020² = 34329229440800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 4142986 and 4143004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4143023) 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, 13994 + ... + 14286.

It is an arithmetic number, because the mean of its divisors is an integer number (209916).

Almost surely, 2^4143020 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 4143020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5037984).

4143020 is an abundant number, since it is smaller than the sum of its proper divisors (5932948).

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

4143020 is a wasteful number, since it uses less digits than its factorization.

4143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4143020 is about 2035.4409841604. The cubic root of 4143020 is about 160.6099116775.

Adding to 4143020 its reverse (203414), we get a palindrome (4346434).

The spelling of 4143020 in words is "four million, one hundred forty-three thousand, twenty".