320020696 has 32 divisors (see below), whose sum is σ = 621181440. Its totient is φ = 154441728.

The previous prime is 320020669. The next prime is 320020711. The reversal of 320020696 is 696020023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33336 + ... + 41848.

It is an arithmetic number, because the mean of its divisors is an integer number (19411920).

Almost surely, 2^320020696 is an apocalyptic number.

It is an amenable number.

320020696 is a deficient number, since it is larger than the sum of its proper divisors (301160744).

320020696 is a wasteful number, since it uses less digits than its factorization.

320020696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683 (or 8679 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 320020696 is about 17889.1222814312. The cubic root of 320020696 is about 684.0051240454.

The spelling of 320020696 in words is "three hundred twenty million, twenty thousand, six hundred ninety-six".