2143020 has 96 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 486400.

The previous prime is 2143019. The next prime is 2143027. The reversal of 2143020 is 203412.

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

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2142987 and 2143005.

It is not an unprimeable number, because it can be changed into a prime (2143027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11125 + ... + 11315.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2^2143020 is an apocalyptic number.

2143020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483648).

2143020 is an abundant number, since it is smaller than the sum of its proper divisors (4824276).

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

2143020 is a wasteful number, since it uses less digits than its factorization.

2143020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2143020 is about 1463.9057346701. The cubic root of 2143020 is about 128.9264649106.

Adding to 2143020 its reverse (203412), we get a palindrome (2346432).

The spelling of 2143020 in words is "two million, one hundred forty-three thousand, twenty".