20233030032221 has 8 divisors (see below), whose sum is σ = 20542096683384. Its totient is φ = 19926244316160.

The previous prime is 20233030032169. The next prime is 20233030032239. The reversal of 20233030032221 is 12223003033202.

It can be written as a sum of positive squares in 4 ways, for example, as 2618733062500 + 17614296969721 = 1618250^2 + 4196939^2 .

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 20233030032221 - 2⁴² = 15834983521117 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 (20233030032821) 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, 570215900 + ... + 570251381.

It is an arithmetic number, because the mean of its divisors is an integer number (2567762085423).

Almost surely, 2^{20233030032221} is an apocalyptic number.

It is an amenable number.

20233030032221 is a deficient number, since it is larger than the sum of its proper divisors (309066651163).

20233030032221 is a wasteful number, since it uses less digits than its factorization.

20233030032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140467551.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 20233030032221 its reverse (12223003033202), we get a palindrome (32456033065423).

The spelling of 20233030032221 in words is "twenty trillion, two hundred thirty-three billion, thirty million, thirty-two thousand, two hundred twenty-one".