320222312100032 has 42 divisors (see below), whose sum is σ = 643586527445148. Its totient is φ = 158084432358528.

The previous prime is 320222312100007. The next prime is 320222312100049. The reversal of 320222312100032 is 230001213222023.

It is a junction number, because it is equal to n+sod(n) for n = 320222312099980 and 320222312100007.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 400455698 + ... + 401254545.

It is an arithmetic number, because the mean of its divisors is an integer number (15323488748694).

Almost surely, 2^{320222312100032} is an apocalyptic number.

320222312100032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320222312100032 is an abundant number, since it is smaller than the sum of its proper divisors (323364215345116).

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

320222312100032 is an frugal number, since it uses more digits than its factorization.

320222312100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801710413 (or 801710324 counting only the distinct ones).

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

Adding to 320222312100032 its reverse (230001213222023), we get a palindrome (550223525322055).

The spelling of 320222312100032 in words is "three hundred twenty trillion, two hundred twenty-two billion, three hundred twelve million, one hundred thousand, thirty-two".