2020832409 has 4 divisors (see below), whose sum is σ = 2694443216. Its totient is φ = 1347221604.

The previous prime is 2020832399. The next prime is 2020832447. The reversal of 2020832409 is 9042380202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2020832409 - 2⁴ = 2020832393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020832479) 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, 336805399 + ... + 336805404.

It is an arithmetic number, because the mean of its divisors is an integer number (673610804).

Almost surely, 2^2020832409 is an apocalyptic number.

It is an amenable number.

2020832409 is a deficient number, since it is larger than the sum of its proper divisors (673610807).

2020832409 is an equidigital number, since it uses as much as digits as its factorization.

2020832409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673610806.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2020832409 is about 44953.6695832498. The cubic root of 2020832409 is about 1264.2804802800.

The spelling of 2020832409 in words is "two billion, twenty million, eight hundred thirty-two thousand, four hundred nine".