20304525332 has 144 divisors (see below), whose sum is σ = 47458656000. Its totient is φ = 7512051456.

The previous prime is 20304525277. The next prime is 20304525337. The reversal of 20304525332 is 23352540302.

It is a junction number, because it is equal to n+sod(n) for n = 20304525295 and 20304525304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304525337) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3821894 + ... + 3827202.

It is an arithmetic number, because the mean of its divisors is an integer number (329574000).

Almost surely, 2^20304525332 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 20304525332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23729328000).

20304525332 is an abundant number, since it is smaller than the sum of its proper divisors (27154130668).

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

20304525332 is a wasteful number, since it uses less digits than its factorization.

20304525332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438 (or 5429 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 29.

The spelling of 20304525332 in words is "twenty billion, three hundred four million, five hundred twenty-five thousand, three hundred thirty-two".