2044020 has 96 divisors (see below), whose sum is σ = 6612480. Its totient is φ = 466560.

The previous prime is 2044013. The next prime is 2044027. The reversal of 2044020 is 204402.

It is an interprime number because it is at equal distance from previous prime (2044013) and next prime (2044027).

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

It is a junction number, because it is equal to n+sod(n) for n = 2043987 and 2044005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12459 + ... + 12621.

It is an arithmetic number, because the mean of its divisors is an integer number (68880).

2^2044020 is an apocalyptic number.

2044020 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 2044020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306240).

2044020 is an abundant number, since it is smaller than the sum of its proper divisors (4568460).

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

2044020 is a wasteful number, since it uses less digits than its factorization.

2044020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2044020 is about 1429.6922745822. The cubic root of 2044020 is about 126.9097670581.

Adding to 2044020 its reverse (204402), we get a palindrome (2248422).

It can be divided in two parts, 204 and 4020, that added together give a palindrome (4224).

The spelling of 2044020 in words is "two million, forty-four thousand, twenty".