320218896900 has 144 divisors (see below), whose sum is σ = 1121142992256. Its totient is φ = 68887418880.

The previous prime is 320218896889. The next prime is 320218896919. The reversal of 320218896900 is 9698812023.

It is a super-2 number, since 2×320218896900² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320218896900.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4449159 + ... + 4520558.

It is an arithmetic number, because the mean of its divisors is an integer number (7785715224).

Almost surely, 2^320218896900 is an apocalyptic number.

320218896900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320218896900 is an abundant number, since it is smaller than the sum of its proper divisors (800924095356).

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

320218896900 is a wasteful number, since it uses less digits than its factorization.

320218896900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969758 (or 8969751 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 320218896900 in words is "three hundred twenty billion, two hundred eighteen million, eight hundred ninety-six thousand, nine hundred".