222120130320 has 120 divisors (see below), whose sum is σ = 813767415552. Its totient is φ = 53847302400.

The previous prime is 222120130313. The next prime is 222120130321. The reversal of 222120130320 is 23031021222.

222120130320 is a `hidden beast` number, since 2 + 2 + 212 + 0 + 130 + 320 = 666.

222120130320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

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 = 222120130293 and 222120130302.

It is not an unprimeable number, because it can be changed into a prime (222120130321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14014816 + ... + 14030655.

Almost surely, 2^222120130320 is an apocalyptic number.

222120130320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120130320 is an abundant number, since it is smaller than the sum of its proper divisors (591647285232).

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

222120130320 is a wasteful number, since it uses less digits than its factorization.

222120130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28045501 (or 28045492 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222120130320 its reverse (23031021222), we get a palindrome (245151151542).

The spelling of 222120130320 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred thirty thousand, three hundred twenty".