20241019 has 4 divisors (see below), whose sum is σ = 20337160. Its totient is φ = 20144880.

The previous prime is 20241017. The next prime is 20241029. The reversal of 20241019 is 91014202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20241019 - 2¹ = 20241017 is a prime.

It is a super-2 number, since 2×20241019² = 819397700316722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20240987 and 20241005.

It is not an unprimeable number, because it can be changed into a prime (20241017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47754 + ... + 48175.

It is an arithmetic number, because the mean of its divisors is an integer number (5084290).

Almost surely, 2^20241019 is an apocalyptic number.

20241019 is the 2598-th hex number.

20241019 is a deficient number, since it is larger than the sum of its proper divisors (96141).

20241019 is an equidigital number, since it uses as much as digits as its factorization.

20241019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96140.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20241019 is about 4499.0020004441. The cubic root of 20241019 is about 272.5277877563.

The spelling of 20241019 in words is "twenty million, two hundred forty-one thousand, nineteen".