2066102020 has 12 divisors (see below), whose sum is σ = 4338814284. Its totient is φ = 826440800.

The previous prime is 2066102011. The next prime is 2066102023. The reversal of 2066102020 is 202016602.

It can be written as a sum of positive squares in 2 ways, for example, as 817045056 + 1249056964 = 28584^2 + 35342^2 .

It is not an unprimeable number, because it can be changed into a prime (2066102023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51652531 + ... + 51652570.

It is an arithmetic number, because the mean of its divisors is an integer number (361567857).

Almost surely, 2^2066102020 is an apocalyptic number.

2066102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2066102020 is an abundant number, since it is smaller than the sum of its proper divisors (2272712264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066102020 is a wasteful number, since it uses less digits than its factorization.

2066102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103305110 (or 103305108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2066102020 is about 45454.3949470235. The cubic root of 2066102020 is about 1273.6514296855.

Adding to 2066102020 its reverse (202016602), we get a palindrome (2268118622).

The spelling of 2066102020 in words is "two billion, sixty-six million, one hundred two thousand, twenty".