2020682305 has 8 divisors (see below), whose sum is σ = 2567455272. Its totient is φ = 1521454848.

The previous prime is 2020682299. The next prime is 2020682311. The reversal of 2020682305 is 5032860202.

It is a Cunningham number, because it is equal to 44952²+1.

It is an interprime number because it is at equal distance from previous prime (2020682299) and next prime (2020682311).

It can be written as a sum of positive squares in 4 ways, for example, as 47279376 + 1973402929 = 6876^2 + 44423^2 .

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

It is not a de Polignac number, because 2020682305 - 2³ = 2020682297 is a prime.

It is a super-2 number, since 2×2020682305² = 8166313955480226050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11886282 + ... + 11886451.

It is an arithmetic number, because the mean of its divisors is an integer number (320931909).

Almost surely, 2^2020682305 is an apocalyptic number.

It is an amenable number.

2020682305 is a deficient number, since it is larger than the sum of its proper divisors (546772967).

2020682305 is a wasteful number, since it uses less digits than its factorization.

2020682305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23772755.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2020682305 is about 44952.0000111230. Note that the first 4 decimals coincide. The cubic root of 2020682305 is about 1264.2491766358.

The spelling of 2020682305 in words is "two billion, twenty million, six hundred eighty-two thousand, three hundred five".