20030333121 has 12 divisors (see below), whose sum is σ = 30455477520. Its totient is φ = 12650736600.

The previous prime is 20030333117. The next prime is 20030333123. The reversal of 20030333121 is 12133303002.

It is not a de Polignac number, because 20030333121 - 2² = 20030333117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20030333094 and 20030333103.

It is not an unprimeable number, because it can be changed into a prime (20030333123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58568055 + ... + 58568396.

It is an arithmetic number, because the mean of its divisors is an integer number (2537956460).

Almost surely, 2^20030333121 is an apocalyptic number.

It is an amenable number.

20030333121 is a deficient number, since it is larger than the sum of its proper divisors (10425144399).

20030333121 is a wasteful number, since it uses less digits than its factorization.

20030333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117136476 (or 117136473 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20030333121 its reverse (12133303002), we get a palindrome (32163636123).

The spelling of 20030333121 in words is "twenty billion, thirty million, three hundred thirty-three thousand, one hundred twenty-one".