202001120989 has 2 divisors, whose sum is σ = 202001120990. Its totient is φ = 202001120988.

The previous prime is 202001120957. The next prime is 202001121053. The reversal of 202001120989 is 989021100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136127792025 + 65873328964 = 368955^2 + 256658^2 .

It is a cyclic number.

It is not a de Polignac number, because 202001120989 - 2⁵ = 202001120957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202001520989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000560494 + 101000560495.

It is an arithmetic number, because the mean of its divisors is an integer number (101000560495).

Almost surely, 2^202001120989 is an apocalyptic number.

It is an amenable number.

202001120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001120989 is an equidigital number, since it uses as much as digits as its factorization.

202001120989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The spelling of 202001120989 in words is "two hundred two billion, one million, one hundred twenty thousand, nine hundred eighty-nine".