32300020320 has 96 divisors (see below), whose sum is σ = 101966467680. Its totient is φ = 8594595840.

The previous prime is 32300020303. The next prime is 32300020327. The reversal of 32300020320 is 2302000323.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 32300020320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32300020327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148296 + ... + 294264.

It is an arithmetic number, because the mean of its divisors is an integer number (1062150705).

Almost surely, 2^32300020320 is an apocalyptic number.

32300020320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32300020320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50983233840).

32300020320 is an abundant number, since it is smaller than the sum of its proper divisors (69666447360).

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

32300020320 is a wasteful number, since it uses less digits than its factorization.

32300020320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146448 (or 146440 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 32300020320 its reverse (2302000323), we get a palindrome (34602020643).

The spelling of 32300020320 in words is "thirty-two billion, three hundred million, twenty thousand, three hundred twenty".