20120320112232 has 64 divisors (see below), whose sum is σ = 53378289792000. Its totient is φ = 6298198753280.

The previous prime is 20120320112231. The next prime is 20120320112251. The reversal of 20120320112232 is 23221102302102.

It is a junction number, because it is equal to n+sod(n) for n = 20120320112199 and 20120320112208.

It is not an unprimeable number, because it can be changed into a prime (20120320112231) 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 15 ways as a sum of consecutive naturals, for example, 54732744 + ... + 55099127.

It is an arithmetic number, because the mean of its divisors is an integer number (834035778000).

Almost surely, 2^{20120320112232} is an apocalyptic number.

It is an amenable number.

20120320112232 is an abundant number, since it is smaller than the sum of its proper divisors (33257969679768).

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

20120320112232 is a wasteful number, since it uses less digits than its factorization.

20120320112232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109832346 (or 109832342 counting only the distinct ones).

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

Adding to 20120320112232 its reverse (23221102302102), we get a palindrome (43341422414334).

The spelling of 20120320112232 in words is "twenty trillion, one hundred twenty billion, three hundred twenty million, one hundred twelve thousand, two hundred thirty-two".