320500218468 has 12 divisors (see below), whose sum is σ = 747833843120. Its totient is φ = 106833406152.

The previous prime is 320500218463. The next prime is 320500218473. The reversal of 320500218468 is 864812005023.

It is an interprime number because it is at equal distance from previous prime (320500218463) and next prime (320500218473).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (320500218463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13354175758 + ... + 13354175781.

Almost surely, 2^320500218468 is an apocalyptic number.

It is an amenable number.

320500218468 is an abundant number, since it is smaller than the sum of its proper divisors (427333624652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320500218468 is a wasteful number, since it uses less digits than its factorization.

320500218468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26708351546 (or 26708351544 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 320500218468 in words is "three hundred twenty billion, five hundred million, two hundred eighteen thousand, four hundred sixty-eight".