20324528129472 has 896 divisors, whose sum is σ = 67574189260800. Its totient is φ = 5264129654784.

The previous prime is 20324528129431. The next prime is 20324528129483. The reversal of 20324528129472 is 27492182542302.

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 127 ways as a sum of consecutive naturals, for example, 13668141913 + ... + 13668143399.

Almost surely, 2^{20324528129472} 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 20324528129472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33787094630400).

20324528129472 is an abundant number, since it is smaller than the sum of its proper divisors (47249661131328).

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

20324528129472 is a wasteful number, since it uses less digits than its factorization.

20324528129472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 20324528129472 in words is "twenty trillion, three hundred twenty-four billion, five hundred twenty-eight million, one hundred twenty-nine thousand, four hundred seventy-two".