32207945920 has 112 divisors (see below), whose sum is σ = 77298986880. Its totient is φ = 12782206976.

The previous prime is 32207945873. The next prime is 32207945927. The reversal of 32207945920 is 2954970223.

It is not an unprimeable number, because it can be changed into a prime (32207945927) 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 15 ways as a sum of consecutive naturals, for example, 26996844 + ... + 26998036.

Almost surely, 2^32207945920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32207945920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38649493440).

32207945920 is an abundant number, since it is smaller than the sum of its proper divisors (45091040960).

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

32207945920 is a wasteful number, since it uses less digits than its factorization.

32207945920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 32207945920 in words is "thirty-two billion, two hundred seven million, nine hundred forty-five thousand, nine hundred twenty".