20132316484 has 144 divisors (see below), whose sum is σ = 44327485440. Its totient is φ = 7814252160.

The previous prime is 20132316439. The next prime is 20132316493. The reversal of 20132316484 is 48461323102.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 56078697 + ... + 56079055.

It is an arithmetic number, because the mean of its divisors is an integer number (307829760).

Almost surely, 2^20132316484 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 20132316484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22163742720).

20132316484 is an abundant number, since it is smaller than the sum of its proper divisors (24195168956).

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

20132316484 is a wasteful number, since it uses less digits than its factorization.

20132316484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

Adding to 20132316484 its reverse (48461323102), we get a palindrome (68593639586).

The spelling of 20132316484 in words is "twenty billion, one hundred thirty-two million, three hundred sixteen thousand, four hundred eighty-four".