2030209 has 2 divisors, whose sum is σ = 2030210. Its totient is φ = 2030208.

The previous prime is 2030183. The next prime is 2030213. The reversal of 2030209 is 9020302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 327184 = 1305^2 + 572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030209 - 2⁷ = 2030081 is a prime.

2030209 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2030192 and 2030201.

It is not a weakly prime, because it can be changed into another prime (2030299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015104 + 1015105.

It is an arithmetic number, because the mean of its divisors is an integer number (1015105).

2^2030209 is an apocalyptic number.

It is an amenable number.

2030209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030209 is an equidigital number, since it uses as much as digits as its factorization.

2030209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2030209 is about 1424.8540276112. The cubic root of 2030209 is about 126.6232869305.

The spelling of 2030209 in words is "two million, thirty thousand, two hundred nine".