202013089 has 2 divisors, whose sum is σ = 202013090. Its totient is φ = 202013088.

The previous prime is 202013087. The next prime is 202013113. The reversal of 202013089 is 980310202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193210000 + 8803089 = 13900^2 + 2967^2 .

It is a cyclic number.

It is not a de Polignac number, because 202013089 - 2¹ = 202013087 is a prime.

Together with 202013087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (202013087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101006544 + 101006545.

It is an arithmetic number, because the mean of its divisors is an integer number (101006545).

Almost surely, 2^202013089 is an apocalyptic number.

It is an amenable number.

202013089 is a deficient number, since it is larger than the sum of its proper divisors (1).

202013089 is an equidigital number, since it uses as much as digits as its factorization.

202013089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 202013089 is about 14213.1308655060. The cubic root of 202013089 is about 586.7591037125.

The spelling of 202013089 in words is "two hundred two million, thirteen thousand, eighty-nine".