24213320021 has 32 divisors (see below), whose sum is σ = 27291116160. Its totient is φ = 21291827200.

The previous prime is 24213320011. The next prime is 24213320023. The reversal of 24213320021 is 12002331242.

It is a cyclic number.

It is not a de Polignac number, because 24213320021 - 2⁶ = 24213319957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 24213319975 and 24213320002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24213320023) 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 31 ways as a sum of consecutive naturals, for example, 36742190 + ... + 36742848.

It is an arithmetic number, because the mean of its divisors is an integer number (852847380).

Almost surely, 2^24213320021 is an apocalyptic number.

It is an amenable number.

24213320021 is a deficient number, since it is larger than the sum of its proper divisors (3077796139).

24213320021 is a wasteful number, since it uses less digits than its factorization.

24213320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 24213320021 its reverse (12002331242), we get a palindrome (36215651263).

The spelling of 24213320021 in words is "twenty-four billion, two hundred thirteen million, three hundred twenty thousand, twenty-one".