24242024020021 has 2 divisors, whose sum is σ = 24242024020022. Its totient is φ = 24242024020020.

The previous prime is 24242024020013. The next prime is 24242024020111. The reversal of 24242024020021 is 12002042024242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24238282251121 + 3741768900 = 4923239^2 + 61170^2 .

It is a cyclic number.

It is not a de Polignac number, because 24242024020021 - 2³ = 24242024020013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24242024420021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12121012010010 + 12121012010011.

It is an arithmetic number, because the mean of its divisors is an integer number (12121012010011).

Almost surely, 2^{24242024020021} is an apocalyptic number.

It is an amenable number.

24242024020021 is a deficient number, since it is larger than the sum of its proper divisors (1).

24242024020021 is an equidigital number, since it uses as much as digits as its factorization.

24242024020021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 24242024020021 its reverse (12002042024242), we get a palindrome (36244066044263).

The spelling of 24242024020021 in words is "twenty-four trillion, two hundred forty-two billion, twenty-four million, twenty thousand, twenty-one".