2060020665 has 12 divisors (see below), whose sum is σ = 3570702564. Its totient is φ = 1098677664.

The previous prime is 2060020661. The next prime is 2060020681. The reversal of 2060020665 is 5660200602.

It can be written as a sum of positive squares in 2 ways, for example, as 1106693289 + 953327376 = 33267^2 + 30876^2 .

It is not a de Polignac number, because 2060020665 - 2² = 2060020661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2060020661) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22889074 + ... + 22889163.

It is an arithmetic number, because the mean of its divisors is an integer number (297558547).

Almost surely, 2^2060020665 is an apocalyptic number.

It is an amenable number.

2060020665 is a deficient number, since it is larger than the sum of its proper divisors (1510681899).

2060020665 is a wasteful number, since it uses less digits than its factorization.

2060020665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45778248 (or 45778245 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2060020665 is about 45387.4505232449. The cubic root of 2060020665 is about 1272.4005817524.

The spelling of 2060020665 in words is "two billion, sixty million, twenty thousand, six hundred sixty-five".