232231020021220 has 96 divisors (see below), whose sum is σ = 532286498257920. Its totient is φ = 84405375613440.

The previous prime is 232231020021211. The next prime is 232231020021227. The reversal of 232231020021220 is 22120020132232.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 232231020021191 and 232231020021200.

It is not an unprimeable number, because it can be changed into a prime (232231020021227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5477513062 + ... + 5477555458.

It is an arithmetic number, because the mean of its divisors is an integer number (5544651023520).

Almost surely, 2^{232231020021220} is an apocalyptic number.

232231020021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232231020021220 is an abundant number, since it is smaller than the sum of its proper divisors (300055478236700).

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

232231020021220 is a wasteful number, since it uses less digits than its factorization.

232231020021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54293 (or 54291 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 232231020021220 its reverse (22120020132232), we get a palindrome (254351040153452).

The spelling of 232231020021220 in words is "two hundred thirty-two trillion, two hundred thirty-one billion, twenty million, twenty-one thousand, two hundred twenty".