20754392832 has 432 divisors, whose sum is σ = 65140088832. Its totient is φ = 6584094720.

The previous prime is 20754392779. The next prime is 20754392843. The reversal of 20754392832 is 23829345702.

20754392832 is a `hidden beast` number, since 20 + 7 + 543 + 9 + 2 + 83 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163420353 + ... + 163420479.

Almost surely, 2^20754392832 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 20754392832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32570044416).

20754392832 is an abundant number, since it is smaller than the sum of its proper divisors (44385696000).

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

20754392832 is an equidigital number, since it uses as much as digits as its factorization.

20754392832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 20754392832 in words is "twenty billion, seven hundred fifty-four million, three hundred ninety-two thousand, eight hundred thirty-two".