32251333420 has 96 divisors (see below), whose sum is σ = 73972761408. Its totient is φ = 11761754112.

The previous prime is 32251333391. The next prime is 32251333423. The reversal of 32251333420 is 2433315223.

It is not an unprimeable number, because it can be changed into a prime (32251333423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2925639 + ... + 2936641.

It is an arithmetic number, because the mean of its divisors is an integer number (770549598).

Almost surely, 2^32251333420 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 32251333420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36986380704).

32251333420 is an abundant number, since it is smaller than the sum of its proper divisors (41721427988).

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

32251333420 is a wasteful number, since it uses less digits than its factorization.

32251333420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299 (or 11297 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 32251333420 its reverse (2433315223), we get a palindrome (34684648643).

The spelling of 32251333420 in words is "thirty-two billion, two hundred fifty-one million, three hundred thirty-three thousand, four hundred twenty".