220320133312 has 14 divisors (see below), whose sum is σ = 437197764668. Its totient is φ = 110160066624.

The previous prime is 220320133283. The next prime is 220320133321. The reversal of 220320133312 is 213331023022.

It is a super-2 number, since 2×220320133312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721250978 + ... + 1721251105.

It is an arithmetic number, because the mean of its divisors is an integer number (31228411762).

Almost surely, 2^220320133312 is an apocalyptic number.

It is an amenable number.

220320133312 is a deficient number, since it is larger than the sum of its proper divisors (216877631356).

220320133312 is an equidigital number, since it uses as much as digits as its factorization.

220320133312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442502095 (or 3442502085 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 220320133312 its reverse (213331023022), we get a palindrome (433651156334).

The spelling of 220320133312 in words is "two hundred twenty billion, three hundred twenty million, one hundred thirty-three thousand, three hundred twelve".