320221143221132 has 24 divisors (see below), whose sum is σ = 583138226932800. Its totient is φ = 153736441636176.

The previous prime is 320221143221051. The next prime is 320221143221219. The reversal of 320221143221132 is 231122341122023.

It is a super-2 number, since 2×320221143221132² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320221143221095 and 320221143221104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15777539282 + ... + 15777559577.

It is an arithmetic number, because the mean of its divisors is an integer number (24297426122200).

Almost surely, 2^{320221143221132} is an apocalyptic number.

It is an amenable number.

320221143221132 is a deficient number, since it is larger than the sum of its proper divisors (262917083711668).

320221143221132 is a wasteful number, since it uses less digits than its factorization.

320221143221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555098965 (or 31555098963 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 320221143221132 its reverse (231122341122023), we get a palindrome (551343484343155).

The spelling of 320221143221132 in words is "three hundred twenty trillion, two hundred twenty-one billion, one hundred forty-three million, two hundred twenty-one thousand, one hundred thirty-two".