20098307 has 2 divisors, whose sum is σ = 20098308. Its totient is φ = 20098306.

The previous prime is 20098277. The next prime is 20098313. The reversal of 20098307 is 70389002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20098307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20098307.

It is not a weakly prime, because it can be changed into another prime (20098327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10049153 + 10049154.

It is an arithmetic number, because the mean of its divisors is an integer number (10049154).

Almost surely, 2^20098307 is an apocalyptic number.

20098307 is a deficient number, since it is larger than the sum of its proper divisors (1).

20098307 is an equidigital number, since it uses as much as digits as its factorization.

20098307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 20098307 is about 4483.1135386024. The cubic root of 20098307 is about 271.8857787069.

The spelling of 20098307 in words is "twenty million, ninety-eight thousand, three hundred seven".