20120321113230 has 32 divisors (see below), whose sum is σ = 52003291493664. Its totient is φ = 4952694427776.

The previous prime is 20120321113219. The next prime is 20120321113283. The reversal of 20120321113230 is 3231112302102.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20120321113197 and 20120321113206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25795283089 + ... + 25795283868.

It is an arithmetic number, because the mean of its divisors is an integer number (1625102859177).

Almost surely, 2^{20120321113230} is an apocalyptic number.

20120321113230 is an abundant number, since it is smaller than the sum of its proper divisors (31882970380434).

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

20120321113230 is a wasteful number, since it uses less digits than its factorization.

20120321113230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51590566980.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20120321113230 its reverse (3231112302102), we get a palindrome (23351433415332).

The spelling of 20120321113230 in words is "twenty trillion, one hundred twenty billion, three hundred twenty-one million, one hundred thirteen thousand, two hundred thirty".