2020245305 has 16 divisors (see below), whose sum is σ = 2649751104. Its totient is φ = 1469603520.

The previous prime is 2020245277. The next prime is 2020245323. The reversal of 2020245305 is 5035420202.

It is not a de Polignac number, because 2020245305 - 2¹⁴ = 2020228921 is a prime.

It is a super-3 number, since 3×2020245305³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227591 + ... + 236300.

It is an arithmetic number, because the mean of its divisors is an integer number (165609444).

Almost surely, 2^2020245305 is an apocalyptic number.

It is an amenable number.

2020245305 is a deficient number, since it is larger than the sum of its proper divisors (629505799).

2020245305 is a wasteful number, since it uses less digits than its factorization.

2020245305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463976.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2020245305 is about 44947.1390079502. The cubic root of 2020245305 is about 1264.1580330453.

Adding to 2020245305 its reverse (5035420202), we get a palindrome (7055665507).

The spelling of 2020245305 in words is "two billion, twenty million, two hundred forty-five thousand, three hundred five".