2020951305 has 12 divisors (see below), whose sum is σ = 3502982340. Its totient is φ = 1077840672.

The previous prime is 2020951301. The next prime is 2020951343. The reversal of 2020951305 is 5031590202.

It can be written as a sum of positive squares in 2 ways, for example, as 626601024 + 1394350281 = 25032^2 + 37341^2 .

It is not a de Polignac number, because 2020951305 - 2² = 2020951301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2020951301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22454970 + ... + 22455059.

It is an arithmetic number, because the mean of its divisors is an integer number (291915195).

Almost surely, 2^2020951305 is an apocalyptic number.

It is an amenable number.

2020951305 is a deficient number, since it is larger than the sum of its proper divisors (1482031035).

2020951305 is a wasteful number, since it uses less digits than its factorization.

2020951305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44910040 (or 44910037 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 2020951305 is about 44954.9919919913. The cubic root of 2020951305 is about 1264.3052745089.

The spelling of 2020951305 in words is "two billion, twenty million, nine hundred fifty-one thousand, three hundred five".