2020390 has 16 divisors (see below), whose sum is σ = 3654720. Its totient is φ = 804160.

The previous prime is 2020387. The next prime is 2020391. The reversal of 2020390 is 930202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020391) 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 7 ways as a sum of consecutive naturals, for example, 2451 + ... + 3169.

It is an arithmetic number, because the mean of its divisors is an integer number (228420).

2^2020390 is an apocalyptic number.

2020390 is a deficient number, since it is larger than the sum of its proper divisors (1634330).

2020390 is a wasteful number, since it uses less digits than its factorization.

2020390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2020390 is about 1421.4042352547. The cubic root of 2020390 is about 126.4188213040.

Adding to 2020390 its reverse (930202), we get a palindrome (2950592).

The spelling of 2020390 in words is "two million, twenty thousand, three hundred ninety".