20335219 has 2 divisors, whose sum is σ = 20335220. Its totient is φ = 20335218.

The previous prime is 20335201. The next prime is 20335223. The reversal of 20335219 is 91253302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20335219 - 2⁹ = 20334707 is a prime.

It is a super-2 number, since 2×20335219² = 827042263555922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20335193 and 20335202.

It is not a weakly prime, because it can be changed into another prime (20335229) 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, 10167609 + 10167610.

It is an arithmetic number, because the mean of its divisors is an integer number (10167610).

Almost surely, 2^20335219 is an apocalyptic number.

20335219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20335219 is an equidigital number, since it uses as much as digits as its factorization.

20335219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 20335219 is about 4509.4588367120. The cubic root of 20335219 is about 272.9499073964.

The spelling of 20335219 in words is "twenty million, three hundred thirty-five thousand, two hundred nineteen".