20330223121 has 16 divisors (see below), whose sum is σ = 22239270144. Its totient is φ = 18472676544.

The previous prime is 20330223083. The next prime is 20330223131. The reversal of 20330223121 is 12132203302.

It is a cyclic number.

It is not a de Polignac number, because 20330223121 - 2⁷ = 20330222993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20330223131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178155 + ... + 269071.

It is an arithmetic number, because the mean of its divisors is an integer number (1389954384).

Almost surely, 2^20330223121 is an apocalyptic number.

It is an amenable number.

20330223121 is a deficient number, since it is larger than the sum of its proper divisors (1909047023).

20330223121 is a wasteful number, since it uses less digits than its factorization.

20330223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91200.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20330223121 its reverse (12132203302), we get a palindrome (32462426423).

The spelling of 20330223121 in words is "twenty billion, three hundred thirty million, two hundred twenty-three thousand, one hundred twenty-one".