2020380 has 48 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 532800.

The previous prime is 2020321. The next prime is 2020387. The reversal of 2020380 is 830202.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020387) 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 15 ways as a sum of consecutive naturals, for example, 8949 + ... + 9171.

It is an arithmetic number, because the mean of its divisors is an integer number (119168).

2^2020380 is an apocalyptic number.

2020380 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 2020380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2860032).

2020380 is an abundant number, since it is smaller than the sum of its proper divisors (3699684).

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

2020380 is a wasteful number, since it uses less digits than its factorization.

2020380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2020380 is about 1421.4007176022. The cubic root of 2020380 is about 126.4186127320.

Adding to 2020380 its reverse (830202), we get a palindrome (2850582).

The spelling of 2020380 in words is "two million, twenty thousand, three hundred eighty".