20323303224112 has 120 divisors (see below), whose sum is σ = 46824462417600. Its totient is φ = 8516525552640.

The previous prime is 20323303224097. The next prime is 20323303224121. The reversal of 20323303224112 is 21142230332302.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38390662 + ... + 38916442.

It is an arithmetic number, because the mean of its divisors is an integer number (390203853480).

Almost surely, 2^{20323303224112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20323303224112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23412231208800).

20323303224112 is an abundant number, since it is smaller than the sum of its proper divisors (26501159193488).

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

20323303224112 is a wasteful number, since it uses less digits than its factorization.

20323303224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526899 (or 526886 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 20323303224112 its reverse (21142230332302), we get a palindrome (41465533556414).

The spelling of 20323303224112 in words is "twenty trillion, three hundred twenty-three billion, three hundred three million, two hundred twenty-four thousand, one hundred twelve".