320212022220 has 36 divisors (see below), whose sum is σ = 971309801280. Its totient is φ = 85389872544.

The previous prime is 320212022153. The next prime is 320212022227. The reversal of 320212022220 is 22220212023.

320212022220 is a `hidden beast` number, since 320 + 2 + 120 + 2 + 2 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 320212022193 and 320212022202.

It is not an unprimeable number, because it can be changed into a prime (320212022227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 889477660 + ... + 889478019.

Almost surely, 2^320212022220 is an apocalyptic number.

320212022220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320212022220 is an abundant number, since it is smaller than the sum of its proper divisors (651097779060).

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

320212022220 is a wasteful number, since it uses less digits than its factorization.

320212022220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778955694 (or 1778955689 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 320212022220 its reverse (22220212023), we get a palindrome (342432234243).

The spelling of 320212022220 in words is "three hundred twenty billion, two hundred twelve million, twenty-two thousand, two hundred twenty".