2020200989 has 4 divisors (see below), whose sum is σ = 2053319100. Its totient is φ = 1987082880.

The previous prime is 2020200983. The next prime is 2020201033. The reversal of 2020200989 is 9890020202.

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

It can be written as a sum of positive squares in 2 ways, for example, as 279892900 + 1740308089 = 16730^2 + 41717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020200989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020200983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16558964 + ... + 16559085.

It is an arithmetic number, because the mean of its divisors is an integer number (513329775).

Almost surely, 2^2020200989 is an apocalyptic number.

It is an amenable number.

2020200989 is a deficient number, since it is larger than the sum of its proper divisors (33118111).

2020200989 is an equidigital number, since it uses as much as digits as its factorization.

2020200989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33118110.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 2020200989 is about 44946.6460261497. The cubic root of 2020200989 is about 1264.1487894752.

The spelling of 2020200989 in words is "two billion, twenty million, two hundred thousand, nine hundred eighty-nine".