1020022010009 has 2 divisors, whose sum is σ = 1020022010010. Its totient is φ = 1020022010008.

The previous prime is 1020022009997. The next prime is 1020022010023. The reversal of 1020022010009 is 9000102200201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934804723609 + 85217286400 = 966853^2 + 291920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020022010009 - 2²⁴ = 1020005232793 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 (1020022010089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510011005004 + 510011005005.

It is an arithmetic number, because the mean of its divisors is an integer number (510011005005).

Almost surely, 2^{1020022010009} is an apocalyptic number.

It is an amenable number.

1020022010009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020022010009 is an equidigital number, since it uses as much as digits as its factorization.

1020022010009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 1020022010009 in words is "one trillion, twenty billion, twenty-two million, ten thousand, nine".