24020311021 has 12 divisors (see below), whose sum is σ = 27950997888. Its totient is φ = 20582203992.

The previous prime is 24020311019. The next prime is 24020311039. The reversal of 24020311021 is 12011302042.

It is not a de Polignac number, because 24020311021 - 2¹ = 24020311019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24020310986 and 24020311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24020311001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77790 + ... + 232576.

It is an arithmetic number, because the mean of its divisors is an integer number (2329249824).

Almost surely, 2^24020311021 is an apocalyptic number.

It is an amenable number.

24020311021 is a deficient number, since it is larger than the sum of its proper divisors (3930686867).

24020311021 is a wasteful number, since it uses less digits than its factorization.

24020311021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157968 (or 157961 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 24020311021 its reverse (12011302042), we get a palindrome (36031613063).

The spelling of 24020311021 in words is "twenty-four billion, twenty million, three hundred eleven thousand, twenty-one".