32020320020 has 48 divisors (see below), whose sum is σ = 72433779600. Its totient is φ = 11819851776.

The previous prime is 32020319987. The next prime is 32020320049. The reversal of 32020320020 is 2002302023.

It can be written as a sum of positive squares in 8 ways, for example, as 658743556 + 31361576464 = 25666^2 + 177092^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32020319977 and 32020320004.

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 15 ways as a sum of consecutive naturals, for example, 1169204 + ... + 1196276.

It is an arithmetic number, because the mean of its divisors is an integer number (1509037075).

Almost surely, 2^32020320020 is an apocalyptic number.

It is an amenable number.

32020320020 is an abundant number, since it is smaller than the sum of its proper divisors (40413459580).

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

32020320020 is a wasteful number, since it uses less digits than its factorization.

32020320020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31644 (or 31642 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 32020320020 its reverse (2002302023), we get a palindrome (34022622043).

The spelling of 32020320020 in words is "thirty-two billion, twenty million, three hundred twenty thousand, twenty".