120020132009 has 2 divisors, whose sum is σ = 120020132010. Its totient is φ = 120020132008.

The previous prime is 120020131999. The next prime is 120020132033. The reversal of 120020132009 is 900231020021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103058976784 + 16961155225 = 321028^2 + 130235^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020132009 - 2¹⁶ = 120020066473 is a prime.

It is not a weakly prime, because it can be changed into another prime (120020132909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010066004 + 60010066005.

It is an arithmetic number, because the mean of its divisors is an integer number (60010066005).

Almost surely, 2^120020132009 is an apocalyptic number.

It is an amenable number.

120020132009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020132009 is an equidigital number, since it uses as much as digits as its factorization.

120020132009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 120020132009 in words is "one hundred twenty billion, twenty million, one hundred thirty-two thousand, nine".