2040220 has 96 divisors (see below), whose sum is σ = 5644800. Its totient is φ = 601344.

The previous prime is 2040211. The next prime is 2040229. The reversal of 2040220 is 220402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2040211) and next prime (2040229).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2040197 and 2040206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040229) 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, 34551 + ... + 34609.

It is an arithmetic number, because the mean of its divisors is an integer number (58800).

2^2040220 is an apocalyptic number.

2040220 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 2040220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2822400).

2040220 is an abundant number, since it is smaller than the sum of its proper divisors (3604580).

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

2040220 is a wasteful number, since it uses less digits than its factorization.

2040220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2040220 is about 1428.3626990369. The cubic root of 2040220 is about 126.8310730669.

Adding to 2040220 its reverse (220402), we get a palindrome (2260622).

The spelling of 2040220 in words is "two million, forty thousand, two hundred twenty".