24240220214221 has 8 divisors (see below), whose sum is σ = 26444029269888. Its totient is φ = 22036436604000.

The previous prime is 24240220214201. The next prime is 24240220214279. The reversal of 24240220214221 is 12241202204242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24240220214221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24240220214221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24240220214201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4341600 + ... + 8205481.

It is an arithmetic number, because the mean of its divisors is an integer number (3305503658736).

Almost surely, 2^{24240220214221} is an apocalyptic number.

It is an amenable number.

24240220214221 is a deficient number, since it is larger than the sum of its proper divisors (2203809055667).

24240220214221 is a wasteful number, since it uses less digits than its factorization.

24240220214221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12722723.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 24240220214221 its reverse (12241202204242), we get a palindrome (36481422418463).

The spelling of 24240220214221 in words is "twenty-four trillion, two hundred forty billion, two hundred twenty million, two hundred fourteen thousand, two hundred twenty-one".