20300000219 has 2 divisors, whose sum is σ = 20300000220. Its totient is φ = 20300000218.

The previous prime is 20300000173. The next prime is 20300000233. The reversal of 20300000219 is 91200000302.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20300000219 is a prime.

It is a super-2 number, since 2×20300000219² (a number of 21 digits) contains 22 as substring.

20300000219 is a modest number, since divided by 219 gives 203 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20300000197 and 20300000206.

It is not a weakly prime, because it can be changed into another prime (20300000239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150000109 + 10150000110.

It is an arithmetic number, because the mean of its divisors is an integer number (10150000110).

Almost surely, 2^20300000219 is an apocalyptic number.

20300000219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300000219 is an equidigital number, since it uses as much as digits as its factorization.

20300000219 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 17.

The spelling of 20300000219 in words is "twenty billion, three hundred million, two hundred nineteen", and thus it is an aban number.