20334101221 has 8 divisors (see below), whose sum is σ = 23240188224. Its totient is φ = 17428318080.

The previous prime is 20334101213. The next prime is 20334101237. The reversal of 20334101221 is 12210143302.

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 20334101221 - 2³ = 20334101213 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 (20334101621) 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, 92286 + ... + 221776.

It is an arithmetic number, because the mean of its divisors is an integer number (2905023528).

Almost surely, 2^20334101221 is an apocalyptic number.

It is an amenable number.

20334101221 is a deficient number, since it is larger than the sum of its proper divisors (2906087003).

20334101221 is a wasteful number, since it uses less digits than its factorization.

20334101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151931.

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

Adding to 20334101221 its reverse (12210143302), we get a palindrome (32544244523).

The spelling of 20334101221 in words is "twenty billion, three hundred thirty-four million, one hundred one thousand, two hundred twenty-one".