320216477228 has 12 divisors (see below), whose sum is σ = 560472102792. Its totient is φ = 160081590720.

The previous prime is 320216477209. The next prime is 320216477261. The reversal of 320216477228 is 822774612023.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6634925 + ... + 6683012.

It is an arithmetic number, because the mean of its divisors is an integer number (46706008566).

Almost surely, 2^320216477228 is an apocalyptic number.

It is an amenable number.

320216477228 is a deficient number, since it is larger than the sum of its proper divisors (240255625564).

320216477228 is a wasteful number, since it uses less digits than its factorization.

320216477228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13323952 (or 13323950 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 320216477228 in words is "three hundred twenty billion, two hundred sixteen million, four hundred seventy-seven thousand, two hundred twenty-eight".