20330001121 has 16 divisors (see below), whose sum is σ = 21554789760. Its totient is φ = 19120907520.

The previous prime is 20330001077. The next prime is 20330001163. The reversal of 20330001121 is 12110003302.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20330001121 is a prime.

It is a super-2 number, since 2×20330001121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20330008121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4791561 + ... + 4795801.

It is an arithmetic number, because the mean of its divisors is an integer number (1347174360).

Almost surely, 2^20330001121 is an apocalyptic number.

It is an amenable number.

20330001121 is a deficient number, since it is larger than the sum of its proper divisors (1224788639).

20330001121 is a wasteful number, since it uses less digits than its factorization.

20330001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20330001121 its reverse (12110003302), we get a palindrome (32440004423).

The spelling of 20330001121 in words is "twenty billion, three hundred thirty million, one thousand, one hundred twenty-one".