1032020009 has 2 divisors, whose sum is σ = 1032020010. Its totient is φ = 1032020008.

The previous prime is 1032019999. The next prime is 1032020027. The reversal of 1032020009 is 9000202301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 618019600 + 414000409 = 24860^2 + 20347^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032020009 - 2²⁸ = 763584553 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1032020069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516010004 + 516010005.

It is an arithmetic number, because the mean of its divisors is an integer number (516010005).

Almost surely, 2^1032020009 is an apocalyptic number.

It is an amenable number.

1032020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032020009 is an equidigital number, since it uses as much as digits as its factorization.

1032020009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1032020009 is about 32125.0682333906. The cubic root of 1032020009 is about 1010.5614004694.

The spelling of 1032020009 in words is "one billion, thirty-two million, twenty thousand, nine".