2020320 has 144 divisors (see below), whose sum is σ = 7312032. Its totient is φ = 506880.

The previous prime is 2020313. The next prime is 2020321. The reversal of 2020320 is 230202.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33090 + ... + 33150.

It is an arithmetic number, because the mean of its divisors is an integer number (50778).

2^2020320 is an apocalyptic number.

2020320 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 2020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3656016).

2020320 is an abundant number, since it is smaller than the sum of its proper divisors (5291712).

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

2020320 is a wasteful number, since it uses less digits than its factorization.

2020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 2020320 is about 1421.3796115043. The cubic root of 2020320 is about 126.4173612856.

Adding to 2020320 its reverse (230202), we get a palindrome (2250522).

The spelling of 2020320 in words is "two million, twenty thousand, three hundred twenty".