20232224200721 has 8 divisors (see below), whose sum is σ = 21793182109440. Its totient is φ = 18671928144912.

The previous prime is 20232224200679. The next prime is 20232224200723. The reversal of 20232224200721 is 12700242223202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 20232224200721 - 2²⁶ = 20232157091857 is a prime.

It is a super-2 number, since 2×20232224200721² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20232224200723) 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 7 ways as a sum of consecutive naturals, for example, 165399731 + ... + 165522008.

It is an arithmetic number, because the mean of its divisors is an integer number (2724147763680).

Almost surely, 2^{20232224200721} is an apocalyptic number.

It is an amenable number.

20232224200721 is a deficient number, since it is larger than the sum of its proper divisors (1560957908719).

20232224200721 is a wasteful number, since it uses less digits than its factorization.

20232224200721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330926455.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 20232224200721 its reverse (12700242223202), we get a palindrome (32932466423923).

The spelling of 20232224200721 in words is "twenty trillion, two hundred thirty-two billion, two hundred twenty-four million, two hundred thousand, seven hundred twenty-one".