2120244 has 48 divisors (see below), whose sum is σ = 5795328. Its totient is φ = 590688.

The previous prime is 2120243. The next prime is 2120249. The reversal of 2120244 is 4420212.

2120244 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120243) 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, 3319 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (120736).

2^2120244 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 2120244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2897664).

2120244 is an abundant number, since it is smaller than the sum of its proper divisors (3675084).

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

2120244 is a wasteful number, since it uses less digits than its factorization.

2120244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2120244 is about 1456.1057653893. The cubic root of 2120244 is about 128.4680940433.

Adding to 2120244 its reverse (4420212), we get a palindrome (6540456).

Subtracting 2120244 from its reverse (4420212), we obtain a cube (2299968 = 132³).

The spelling of 2120244 in words is "two million, one hundred twenty thousand, two hundred forty-four".