20336419 has 2 divisors, whose sum is σ = 20336420. Its totient is φ = 20336418.

The previous prime is 20336401. The next prime is 20336429. The reversal of 20336419 is 91463302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20336419 - 2⁵ = 20336387 is a prime.

It is a super-2 number, since 2×20336419² = 827139875487122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20336429) 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, 10168209 + 10168210.

It is an arithmetic number, because the mean of its divisors is an integer number (10168210).

Almost surely, 2^20336419 is an apocalyptic number.

20336419 is a deficient number, since it is larger than the sum of its proper divisors (1).

20336419 is an equidigital number, since it uses as much as digits as its factorization.

20336419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 20336419 is about 4509.5918884085. The cubic root of 20336419 is about 272.9552762992.

The spelling of 20336419 in words is "twenty million, three hundred thirty-six thousand, four hundred nineteen".