2020009489 has 2 divisors, whose sum is σ = 2020009490. Its totient is φ = 2020009488.

The previous prime is 2020009457. The next prime is 2020009493. The reversal of 2020009489 is 9849000202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196606464 + 823403025 = 34592^2 + 28695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020009489 - 2⁵ = 2020009457 is a prime.

It is a super-2 number, since 2×2020009489² = 8160876671300082242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2020004489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010004744 + 1010004745.

It is an arithmetic number, because the mean of its divisors is an integer number (1010004745).

Almost surely, 2^2020009489 is an apocalyptic number.

It is an amenable number.

2020009489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020009489 is an equidigital number, since it uses as much as digits as its factorization.

2020009489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2020009489 is about 44944.5156721040. The cubic root of 2020009489 is about 1264.1088442513.

The spelling of 2020009489 in words is "two billion, twenty million, nine thousand, four hundred eighty-nine".