2020244 has 6 divisors (see below), whose sum is σ = 3535434. Its totient is φ = 1010120.

The previous prime is 2020243. The next prime is 2020247. The reversal of 2020244 is 4420202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 3844 = 1420^2 + 62^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252527 + ... + 252534.

It is an arithmetic number, because the mean of its divisors is an integer number (589239).

2^2020244 is an apocalyptic number.

It is an amenable number.

2020244 is a deficient number, since it is larger than the sum of its proper divisors (1515190).

2020244 is a wasteful number, since it uses less digits than its factorization.

2020244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505065 (or 505063 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2020244 is about 1421.3528766636. The cubic root of 2020244 is about 126.4157760846.

Adding to 2020244 its reverse (4420202), we get a palindrome (6440446).

It can be divided in two parts, 20202 and 44, that multiplied together give a palindrome (888888).

The spelling of 2020244 in words is "two million, twenty thousand, two hundred forty-four".