2020020043 has 4 divisors (see below), whose sum is σ = 2032412968. Its totient is φ = 2007627120.

The previous prime is 2020020031. The next prime is 2020020049. The reversal of 2020020043 is 3400200202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020020043 - 2¹⁷ = 2019888971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020020049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6196218 + ... + 6196543.

It is an arithmetic number, because the mean of its divisors is an integer number (508103242).

Almost surely, 2^2020020043 is an apocalyptic number.

2020020043 is a deficient number, since it is larger than the sum of its proper divisors (12392925).

2020020043 is a wasteful number, since it uses less digits than its factorization.

2020020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12392924.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2020020043 is about 44944.6330833838. The cubic root of 2020020043 is about 1264.1110457890. Note that the first 3 decimals are identical.

Adding to 2020020043 its reverse (3400200202), we get a palindrome (5420220245).

The spelling of 2020020043 in words is "two billion, twenty million, twenty thousand, forty-three".