320011033020 has 96 divisors (see below), whose sum is σ = 1024132032000. Its totient is φ = 73138470144.

The previous prime is 320011033009. The next prime is 320011033073. The reversal of 320011033020 is 20330110023.

It is a super-2 number, since 2×320011033020² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5388046 + ... + 5447114.

It is an arithmetic number, because the mean of its divisors is an integer number (10668042000).

Almost surely, 2^320011033020 is an apocalyptic number.

320011033020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320011033020 is an abundant number, since it is smaller than the sum of its proper divisors (704120998980).

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

320011033020 is a wasteful number, since it uses less digits than its factorization.

320011033020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71987 (or 71985 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 320011033020 its reverse (20330110023), we get a palindrome (340341143043).

The spelling of 320011033020 in words is "three hundred twenty billion, eleven million, thirty-three thousand, twenty".