20230120221332 has 96 divisors (see below), whose sum is σ = 41875086274560. Its totient is φ = 8371526042880.

The previous prime is 20230120221323. The next prime is 20230120221373. The reversal of 20230120221332 is 23312202103202.

It is a junction number, because it is equal to n+sod(n) for n = 20230120221298 and 20230120221307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599092313 + ... + 599126079.

It is an arithmetic number, because the mean of its divisors is an integer number (436198815360).

Almost surely, 2^{20230120221332} 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 20230120221332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20937543137280).

20230120221332 is an abundant number, since it is smaller than the sum of its proper divisors (21644966053228).

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

20230120221332 is a wasteful number, since it uses less digits than its factorization.

20230120221332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39501 (or 39499 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20230120221332 its reverse (23312202103202), we get a palindrome (43542322324534).

The spelling of 20230120221332 in words is "twenty trillion, two hundred thirty billion, one hundred twenty million, two hundred twenty-one thousand, three hundred thirty-two".