320422021204672 has 28 divisors (see below), whose sum is σ = 639389612866680. Its totient is φ = 159315977017856.

The previous prime is 320422021204651. The next prime is 320422021204699. The reversal of 320422021204672 is 276402120224023.

It is a super-2 number, since 2×320422021204672² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13984888213 + ... + 13984911124.

Almost surely, 2^{320422021204672} is an apocalyptic number.

320422021204672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320422021204672 is a deficient number, since it is larger than the sum of its proper divisors (318967591662008).

320422021204672 is a wasteful number, since it uses less digits than its factorization.

320422021204672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27969799528 (or 27969799518 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

Adding to 320422021204672 its reverse (276402120224023), we get a palindrome (596824141428695).

The spelling of 320422021204672 in words is "three hundred twenty trillion, four hundred twenty-two billion, twenty-one million, two hundred four thousand, six hundred seventy-two".