20330141221 has 8 divisors (see below), whose sum is σ = 21905122680. Its totient is φ = 18756748992.

The previous prime is 20330141197. The next prime is 20330141261. The reversal of 20330141221 is 12214103302.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3270124225 + 17060016996 = 57185^2 + 130614^2 .

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 20330141221 - 2³³ = 11740206629 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 (20330141261) 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, 370666 + ... + 421963.

It is an arithmetic number, because the mean of its divisors is an integer number (2738140335).

Almost surely, 2^20330141221 is an apocalyptic number.

It is an amenable number.

20330141221 is a deficient number, since it is larger than the sum of its proper divisors (1574981459).

20330141221 is a wasteful number, since it uses less digits than its factorization.

20330141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794615.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20330141221 its reverse (12214103302), we get a palindrome (32544244523).

The spelling of 20330141221 in words is "twenty billion, three hundred thirty million, one hundred forty-one thousand, two hundred twenty-one".