20233501005221 has 8 divisors (see below), whose sum is σ = 23352951656064. Its totient is φ = 17171287981200.

The previous prime is 20233501005199. The next prime is 20233501005227. The reversal of 20233501005221 is 12250010533202.

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 20233501005221 - 2¹⁴ = 20233500988837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20233501005227) 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, 14309405945 + ... + 14309407358.

It is an arithmetic number, because the mean of its divisors is an integer number (2919118957008).

Almost surely, 2^{20233501005221} is an apocalyptic number.

It is an amenable number.

20233501005221 is a deficient number, since it is larger than the sum of its proper divisors (3119450650843).

20233501005221 is a wasteful number, since it uses less digits than its factorization.

20233501005221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28618813411.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20233501005221 its reverse (12250010533202), we get a palindrome (32483511538423).

The spelling of 20233501005221 in words is "twenty trillion, two hundred thirty-three billion, five hundred one million, five thousand, two hundred twenty-one".