2020609 has 2 divisors, whose sum is σ = 2020610. Its totient is φ = 2020608.

The previous prime is 2020597. The next prime is 2020621. The reversal of 2020609 is 9060202.

It is a balanced prime because it is at equal distance from previous prime (2020597) and next prime (2020621).

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 748225 = 1128^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020609 - 2¹¹ = 2018561 is a prime.

It is not a weakly prime, because it can be changed into another prime (2020679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010304 + 1010305.

It is an arithmetic number, because the mean of its divisors is an integer number (1010305).

2^2020609 is an apocalyptic number.

It is an amenable number.

2020609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020609 is an equidigital number, since it uses as much as digits as its factorization.

2020609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2020609 is about 1421.4812696620. The cubic root of 2020609 is about 126.4233888581.

The spelling of 2020609 in words is "two million, twenty thousand, six hundred nine".