232320022220 has 192 divisors, whose sum is σ = 610971984000. Its totient is φ = 72899543040.

The previous prime is 232320022199. The next prime is 232320022243. The reversal of 232320022220 is 22220023232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 232320022192 and 232320022201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7228346 + ... + 7260414.

It is an arithmetic number, because the mean of its divisors is an integer number (3182145750).

Almost surely, 2^232320022220 is an apocalyptic number.

232320022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232320022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305485992000).

232320022220 is an abundant number, since it is smaller than the sum of its proper divisors (378651961780).

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

232320022220 is a wasteful number, since it uses less digits than its factorization.

232320022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32268 (or 32266 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 232320022220 its reverse (22220023232), we get a palindrome (254540045452).

The spelling of 232320022220 in words is "two hundred thirty-two billion, three hundred twenty million, twenty-two thousand, two hundred twenty".