20240842519 has 8 divisors (see below), whose sum is σ = 21606238080. Its totient is φ = 18905455800.

The previous prime is 20240842511. The next prime is 20240842541. The reversal of 20240842519 is 91524804202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20240842519 - 2³ = 20240842511 is a prime.

It is a super-2 number, since 2×20240842519² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20240842511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7500817 + ... + 7503514.

It is an arithmetic number, because the mean of its divisors is an integer number (2700779760).

Almost surely, 2^20240842519 is an apocalyptic number.

20240842519 is a deficient number, since it is larger than the sum of its proper divisors (1365395561).

20240842519 is a wasteful number, since it uses less digits than its factorization.

20240842519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15004421.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 20240842519 in words is "twenty billion, two hundred forty million, eight hundred forty-two thousand, five hundred nineteen".