32100243020 has 24 divisors (see below), whose sum is σ = 70341403104. Its totient is φ = 12281831936.

The previous prime is 32100243001. The next prime is 32100243023. The reversal of 32100243020 is 2034200123.

It is a self number, because there is not a number n which added to its sum of digits gives 32100243020.

It is not an unprimeable number, because it can be changed into a prime (32100243023) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34891109 + ... + 34892028.

It is an arithmetic number, because the mean of its divisors is an integer number (2930891796).

Almost surely, 2^32100243020 is an apocalyptic number.

It is an amenable number.

32100243020 is an abundant number, since it is smaller than the sum of its proper divisors (38241160084).

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

32100243020 is a wasteful number, since it uses less digits than its factorization.

32100243020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69783169 (or 69783167 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 32100243020 its reverse (2034200123), we get a palindrome (34134443143).

The spelling of 32100243020 in words is "thirty-two billion, one hundred million, two hundred forty-three thousand, twenty".