232420553220 has 24 divisors (see below), whose sum is σ = 650777549184. Its totient is φ = 61978814176.

The previous prime is 232420553219. The next prime is 232420553279. The reversal of 232420553220 is 22355024232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1936837884 + ... + 1936838003.

It is an arithmetic number, because the mean of its divisors is an integer number (27115731216).

Almost surely, 2^232420553220 is an apocalyptic number.

232420553220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232420553220 is an abundant number, since it is smaller than the sum of its proper divisors (418356995964).

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

232420553220 is a wasteful number, since it uses less digits than its factorization.

232420553220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3873675899 (or 3873675897 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 232420553220 its reverse (22355024232), we get a palindrome (254775577452).

The spelling of 232420553220 in words is "two hundred thirty-two billion, four hundred twenty million, five hundred fifty-three thousand, two hundred twenty".