20330122012 has 12 divisors (see below), whose sum is σ = 35593409320. Its totient is φ = 10160576496.

The previous prime is 20330121943. The next prime is 20330122013. The reversal of 20330122012 is 21022103302.

It is a super-2 number, since 2×20330122012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20330122013) 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 3 ways as a sum of consecutive naturals, for example, 1110918 + ... + 1129069.

Almost surely, 2^20330122012 is an apocalyptic number.

It is an amenable number.

20330122012 is a deficient number, since it is larger than the sum of its proper divisors (15263287308).

20330122012 is a wasteful number, since it uses less digits than its factorization.

20330122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242260 (or 2242258 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20330122012 its reverse (21022103302), we get a palindrome (41352225314).

The spelling of 20330122012 in words is "twenty billion, three hundred thirty million, one hundred twenty-two thousand, twelve".