20132222230144 has 32 divisors (see below), whose sum is σ = 40170722905440. Its totient is φ = 10050158442240.

The previous prime is 20132222230123. The next prime is 20132222230189. The reversal of 20132222230144 is 44103222223102.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124549174 + ... + 124710709.

It is an arithmetic number, because the mean of its divisors is an integer number (1255335090795).

Almost surely, 2^{20132222230144} is an apocalyptic number.

It is an amenable number.

20132222230144 is a deficient number, since it is larger than the sum of its proper divisors (20038500675296).

20132222230144 is an equidigital number, since it uses as much as digits as its factorization.

20132222230144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249260528 (or 249260516 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20132222230144 its reverse (44103222223102), we get a palindrome (64235444453246).

The spelling of 20132222230144 in words is "twenty trillion, one hundred thirty-two billion, two hundred twenty-two million, two hundred thirty thousand, one hundred forty-four".