2422020 has 48 divisors (see below), whose sum is σ = 6971328. Its totient is φ = 627840.

The previous prime is 2421997. The next prime is 2422027. The reversal of 2422020 is 202242.

It is a happy number.

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 = 2421987 and 2422005.

It is not an unprimeable number, because it can be changed into a prime (2422027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 2765.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2^2422020 is an apocalyptic number.

2422020 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 2422020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3485664).

2422020 is an abundant number, since it is smaller than the sum of its proper divisors (4549308).

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

2422020 is a wasteful number, since it uses less digits than its factorization.

2422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1138 counting only the distinct ones).

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

The square root of 2422020 is about 1556.2840357724. The cubic root of 2422020 is about 134.2948138868.

Adding to 2422020 its reverse (202242), we get a palindrome (2624262).

The spelling of 2422020 in words is "two million, four hundred twenty-two thousand, twenty".