20030321219 has 2 divisors, whose sum is σ = 20030321220. Its totient is φ = 20030321218.

The previous prime is 20030321197. The next prime is 20030321237. The reversal of 20030321219 is 91212303002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20030321219 - 2⁸ = 20030320963 is a prime.

It is a super-2 number, since 2×20030321219² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20030321194 and 20030321203.

It is not a weakly prime, because it can be changed into another prime (20030329219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10015160609 + 10015160610.

It is an arithmetic number, because the mean of its divisors is an integer number (10015160610).

Almost surely, 2^20030321219 is an apocalyptic number.

20030321219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20030321219 is an equidigital number, since it uses as much as digits as its factorization.

20030321219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The spelling of 20030321219 in words is "twenty billion, thirty million, three hundred twenty-one thousand, two hundred nineteen".