30202009 has 2 divisors, whose sum is σ = 30202010. Its totient is φ = 30202008.

The previous prime is 30201989. The next prime is 30202019. The reversal of 30202009 is 90020203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18662400 + 11539609 = 4320^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 30202009 - 2⁹ = 30201497 is a prime.

It is a super-2 number, since 2×30202009² = 1824322695272162, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30201983 and 30202001.

It is not a weakly prime, because it can be changed into another prime (30202019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101004 + 15101005.

It is an arithmetic number, because the mean of its divisors is an integer number (15101005).

Almost surely, 2^30202009 is an apocalyptic number.

It is an amenable number.

30202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202009 is an equidigital number, since it uses as much as digits as its factorization.

30202009 is an odious number, because the sum of its binary digits is odd.

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

The square root of 30202009 is about 5495.6354500640. The cubic root of 30202009 is about 311.4191231537.

The spelling of 30202009 in words is "thirty million, two hundred two thousand, nine".