20330122121 has 8 divisors (see below), whose sum is σ = 20987702784. Its totient is φ = 19672652160.

The previous prime is 20330122103. The next prime is 20330122139. The reversal of 20330122121 is 12122103302.

It is an interprime number because it is at equal distance from previous prime (20330122103) and next prime (20330122139).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330122121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20330122121.

It is not an unprimeable number, because it can be changed into a prime (20330182121) 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 7 ways as a sum of consecutive naturals, for example, 514361 + ... + 552473.

It is an arithmetic number, because the mean of its divisors is an integer number (2623462848).

Almost surely, 2^20330122121 is an apocalyptic number.

It is an amenable number.

20330122121 is a deficient number, since it is larger than the sum of its proper divisors (657580663).

20330122121 is a wasteful number, since it uses less digits than its factorization.

20330122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55351.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20330122121 its reverse (12122103302), we get a palindrome (32452225423).

The spelling of 20330122121 in words is "twenty billion, three hundred thirty million, one hundred twenty-two thousand, one hundred twenty-one".