2201020 has 12 divisors (see below), whose sum is σ = 4622184. Its totient is φ = 880400.

The previous prime is 2200997. The next prime is 2201033. The reversal of 2201020 is 201022.

It is a happy number.

2201020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2200994 and 2201012.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 55006 + ... + 55045.

It is an arithmetic number, because the mean of its divisors is an integer number (385182).

2^2201020 is an apocalyptic number.

2201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201020 is an abundant number, since it is smaller than the sum of its proper divisors (2421164).

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

2201020 is a wasteful number, since it uses less digits than its factorization.

2201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110060 (or 110058 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2201020 is about 1483.5834995038. The cubic root of 2201020 is about 130.0792416292.

Adding to 2201020 its reverse (201022), we get a palindrome (2402042).

The spelling of 2201020 in words is "two million, two hundred one thousand, twenty".