20544796160 has 240 divisors, whose sum is σ = 58219764768. Its totient is φ = 6810992640.

The previous prime is 20544796127. The next prime is 20544796189. The reversal of 20544796160 is 6169744502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17220524 + ... + 17221716.

Almost surely, 2^20544796160 is an apocalyptic number.

20544796160 is a gapful number since it is divisible by the number (20) 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 20544796160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29109882384).

20544796160 is an abundant number, since it is smaller than the sum of its proper divisors (37674968608).

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

20544796160 is an equidigital number, since it uses as much as digits as its factorization.

20544796160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1238 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 20544796160 in words is "twenty billion, five hundred forty-four million, seven hundred ninety-six thousand, one hundred sixty".