2063220 has 48 divisors (see below), whose sum is σ = 5842368. Its totient is φ = 544000.

The previous prime is 2063213. The next prime is 2063249. The reversal of 2063220 is 223602.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2063220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8095 + ... + 8345.

It is an arithmetic number, because the mean of its divisors is an integer number (121716).

2^2063220 is an apocalyptic number.

2063220 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 2063220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2921184).

2063220 is an abundant number, since it is smaller than the sum of its proper divisors (3779148).

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

2063220 is a wasteful number, since it uses less digits than its factorization.

2063220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2063220 is about 1436.3913115861. The cubic root of 2063220 is about 127.3058945717.

Adding to 2063220 its reverse (223602), we get a palindrome (2286822).

The spelling of 2063220 in words is "two million, sixty-three thousand, two hundred twenty".