2020010009 has 2 divisors, whose sum is σ = 2020010010. Its totient is φ = 2020010008.

The previous prime is 2020009991. The next prime is 2020010033. The reversal of 2020010009 is 9000100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1599760009 + 420250000 = 39997^2 + 20500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020010009 is a prime.

It is a super-3 number, since 3×2020010009³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020009975 and 2020010002.

It is not a weakly prime, because it can be changed into another prime (2020010089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010005004 + 1010005005.

It is an arithmetic number, because the mean of its divisors is an integer number (1010005005).

Almost surely, 2^2020010009 is an apocalyptic number.

It is an amenable number.

2020010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020010009 is an equidigital number, since it uses as much as digits as its factorization.

2020010009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2020010009 is about 44944.5214570141. The cubic root of 2020010009 is about 1264.1089527221.

The spelling of 2020010009 in words is "two billion, twenty million, ten thousand, nine".