24042020281 has 2 divisors, whose sum is σ = 24042020282. Its totient is φ = 24042020280.

The previous prime is 24042020243. The next prime is 24042020287. The reversal of 24042020281 is 18202024042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22558538025 + 1483482256 = 150195^2 + 38516^2 .

It is a cyclic number.

It is not a de Polignac number, because 24042020281 - 2¹¹ = 24042018233 is a prime.

It is a super-2 number, since 2×24042020281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24042020287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12021010140 + 12021010141.

It is an arithmetic number, because the mean of its divisors is an integer number (12021010141).

Almost surely, 2^24042020281 is an apocalyptic number.

It is an amenable number.

24042020281 is a deficient number, since it is larger than the sum of its proper divisors (1).

24042020281 is an equidigital number, since it uses as much as digits as its factorization.

24042020281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 25.

The spelling of 24042020281 in words is "twenty-four billion, forty-two million, twenty thousand, two hundred eighty-one".