320030300222020 has 24 divisors (see below), whose sum is σ = 672069614560344. Its totient is φ = 128010980261376.

The previous prime is 320030300221949. The next prime is 320030300222063. The reversal of 320030300222020 is 20222003030023.

It can be written as a sum of positive squares in 4 ways, for example, as 197888591674944 + 122141708547076 = 14067288^2 + 11051774^2 .

It is a super-2 number, since 2×320030300222020² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68935077 + ... + 73430956.

It is an arithmetic number, because the mean of its divisors is an integer number (28002900606681).

Almost surely, 2^{320030300222020} is an apocalyptic number.

It is an amenable number.

320030300222020 is an abundant number, since it is smaller than the sum of its proper divisors (352039314338324).

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

320030300222020 is a wasteful number, since it uses less digits than its factorization.

320030300222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142478439 (or 142478437 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

Adding to 320030300222020 its reverse (20222003030023), we get a palindrome (340252303252043).

The spelling of 320030300222020 in words is "three hundred twenty trillion, thirty billion, three hundred million, two hundred twenty-two thousand, twenty".