320573869980 has 192 divisors, whose sum is σ = 1140384473088. Its totient is φ = 65455672320.

The previous prime is 320573869963. The next prime is 320573869999. The reversal of 320573869980 is 89968375023.

It is a super-2 number, since 2×320573869980² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 777727 + ... + 1116246.

It is an arithmetic number, because the mean of its divisors is an integer number (5939502464).

Almost surely, 2^320573869980 is an apocalyptic number.

320573869980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320573869980 is an abundant number, since it is smaller than the sum of its proper divisors (819810603108).

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

320573869980 is a wasteful number, since it uses less digits than its factorization.

320573869980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894036 (or 1894034 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 320573869980 in words is "three hundred twenty billion, five hundred seventy-three million, eight hundred sixty-nine thousand, nine hundred eighty".