2020837045 has 4 divisors (see below), whose sum is σ = 2425004460. Its totient is φ = 1616669632.

The previous prime is 2020837043. The next prime is 2020837057. The reversal of 2020837045 is 5407380202.

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 780811249 + 1240025796 = 27943^2 + 35214^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020837045 - 2¹ = 2020837043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020836998 and 2020837016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020837043) 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, 202083700 + ... + 202083709.

It is an arithmetic number, because the mean of its divisors is an integer number (606251115).

Almost surely, 2^2020837045 is an apocalyptic number.

It is an amenable number.

2020837045 is a deficient number, since it is larger than the sum of its proper divisors (404167415).

2020837045 is an equidigital number, since it uses as much as digits as its factorization.

2020837045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404167414.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2020837045 is about 44953.7211474200. The cubic root of 2020837045 is about 1264.2814470763.

The spelling of 2020837045 in words is "two billion, twenty million, eight hundred thirty-seven thousand, forty-five".