20240419 has 2 divisors, whose sum is σ = 20240420.
Its totient is φ = 20240418.
The previous prime is 20240411. The next prime is 20240431. The reversal of 20240419 is 91404202.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 20240419 - 23 = 20240411 is a prime.
It is a super-2 number, since 2×202404192 = 819349122591122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20240419.
It is not a weakly prime, because it can be changed into another prime (20240411) 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, 10120209 + 10120210.
It is an arithmetic number, because the mean of its divisors is an integer number (10120210).
Almost surely, 220240419 is an apocalyptic number.
20240419 is a deficient number, since it is larger than the sum of its proper divisors (1).
20240419 is an equidigital number, since it uses as much as digits as its factorization.
20240419 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
The square root of 20240419 is about 4498.9353184948.
The cubic root of 20240419 is about 272.5250949029.
The spelling of 20240419 in words is "twenty million, two hundred forty thousand, four hundred nineteen".