24320720842 has 24 divisors (see below), whose sum is σ = 41122783296. Its totient is φ = 10698255000.

The previous prime is 24320720819. The next prime is 24320720843. The reversal of 24320720842 is 24802702342.

It is a junction number, because it is equal to n+sod(n) for n = 24320720798 and 24320720807.

It is not an unprimeable number, because it can be changed into a prime (24320720843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 554034 + ... + 596317.

It is an arithmetic number, because the mean of its divisors is an integer number (1713449304).

Almost surely, 2^24320720842 is an apocalyptic number.

24320720842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

24320720842 is a deficient number, since it is larger than the sum of its proper divisors (16802062454).

24320720842 is a wasteful number, since it uses less digits than its factorization.

24320720842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150426 (or 1150395 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 24320720842 in words is "twenty-four billion, three hundred twenty million, seven hundred twenty thousand, eight hundred forty-two".