2120223431144 has 96 divisors (see below), whose sum is σ = 4925310546240. Its totient is φ = 837814348800.

The previous prime is 2120223431141. The next prime is 2120223431173. The reversal of 2120223431144 is 4411343220212.

It is a super-2 number, since 2×2120223431144² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120223431141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8210639 + ... + 8464929.

It is an arithmetic number, because the mean of its divisors is an integer number (51305318190).

Almost surely, 2^{2120223431144} 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 2120223431144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2462655273120).

2120223431144 is an abundant number, since it is smaller than the sum of its proper divisors (2805087115096).

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

2120223431144 is a wasteful number, since it uses less digits than its factorization.

2120223431144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255211 (or 255194 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2120223431144 its reverse (4411343220212), we get a palindrome (6531566651356).

The spelling of 2120223431144 in words is "two trillion, one hundred twenty billion, two hundred twenty-three million, four hundred thirty-one thousand, one hundred forty-four".