20013122120232 has 16 divisors (see below), whose sum is σ = 50032805300640. Its totient is φ = 6671040706736.

The previous prime is 20013122120177. The next prime is 20013122120293. The reversal of 20013122120232 is 23202122131002.

It is a junction number, because it is equal to n+sod(n) for n = 20013122120199 and 20013122120208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416940044148 + ... + 416940044195.

It is an arithmetic number, because the mean of its divisors is an integer number (3127050331290).

Almost surely, 2^{20013122120232} is an apocalyptic number.

It is an amenable number.

20013122120232 is an abundant number, since it is smaller than the sum of its proper divisors (30019683180408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013122120232 is a wasteful number, since it uses less digits than its factorization.

20013122120232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833880088352 (or 833880088348 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20013122120232 its reverse (23202122131002), we get a palindrome (43215244251234).

The spelling of 20013122120232 in words is "twenty trillion, thirteen billion, one hundred twenty-two million, one hundred twenty thousand, two hundred thirty-two".