222120301320 has 48 divisors (see below), whose sum is σ = 721890980460. Its totient is φ = 59232080256.

The previous prime is 222120301301. The next prime is 222120301321. The reversal of 222120301320 is 23103021222.

222120301320 is a `hidden beast` number, since 2 + 2 + 21 + 20 + 301 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 213760124964 + 8360176356 = 462342^2 + 91434^2 .

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 = 222120301293 and 222120301302.

It is not an unprimeable number, because it can be changed into a prime (222120301321) 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, 308500059 + ... + 308500778.

Almost surely, 2^222120301320 is an apocalyptic number.

222120301320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222120301320 is an abundant number, since it is smaller than the sum of its proper divisors (499770679140).

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

222120301320 is a wasteful number, since it uses less digits than its factorization.

222120301320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617000854 (or 617000847 counting only the distinct ones).

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

Adding to 222120301320 its reverse (23103021222), we get a palindrome (245223322542).

The spelling of 222120301320 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred one thousand, three hundred twenty".