32013231020 has 24 divisors (see below), whose sum is σ = 69044753904. Its totient is φ = 12459203136.

The previous prime is 32013231017. The next prime is 32013231037. The reversal of 32013231020 is 2013231023.

It is a self number, because there is not a number n which added to its sum of digits gives 32013231020.

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 7 ways as a sum of consecutive naturals, for example, 21629822 + ... + 21631301.

It is an arithmetic number, because the mean of its divisors is an integer number (2876864746).

Almost surely, 2^32013231020 is an apocalyptic number.

It is an amenable number.

32013231020 is an abundant number, since it is smaller than the sum of its proper divisors (37031522884).

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

32013231020 is a wasteful number, since it uses less digits than its factorization.

32013231020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43261169 (or 43261167 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 32013231020 its reverse (2013231023), we get a palindrome (34026462043).

The spelling of 32013231020 in words is "thirty-two billion, thirteen million, two hundred thirty-one thousand, twenty".