2020641 has 8 divisors (see below), whose sum is σ = 3079104. Its totient is φ = 1154640.

The previous prime is 2020621. The next prime is 2020657. The reversal of 2020641 is 1460202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020641 - 2⁵ = 2020609 is a prime.

2020641 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020641.

It is not an unprimeable number, because it can be changed into a prime (2020621) 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, 48090 + ... + 48131.

It is an arithmetic number, because the mean of its divisors is an integer number (384888).

2^2020641 is an apocalyptic number.

2020641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020641 is a deficient number, since it is larger than the sum of its proper divisors (1058463).

2020641 is an equidigital number, since it uses as much as digits as its factorization.

2020641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96231.

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

The square root of 2020641 is about 1421.4925254816. The cubic root of 2020641 is about 126.4240562356.

Adding to 2020641 its reverse (1460202), we get a palindrome (3480843).

The spelling of 2020641 in words is "two million, twenty thousand, six hundred forty-one".