20331212033120 has 96 divisors (see below), whose sum is σ = 50010636676896. Its totient is φ = 7804063641600.

The previous prime is 20331212033101. The next prime is 20331212033129. The reversal of 20331212033120 is 2133021213302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20331212033129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25003694 + ... + 25804013.

It is an arithmetic number, because the mean of its divisors is an integer number (520944132051).

Almost surely, 2^{20331212033120} is an apocalyptic number.

20331212033120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331212033120 is an abundant number, since it is smaller than the sum of its proper divisors (29679424643776).

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

20331212033120 is a wasteful number, since it uses less digits than its factorization.

20331212033120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50807824 (or 50807816 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 20331212033120 its reverse (2133021213302), we get a palindrome (22464233246422).

The spelling of 20331212033120 in words is "twenty trillion, three hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred twenty".