20441733312 has 896 divisors, whose sum is σ = 77604323328. Its totient is φ = 4578508800.

The previous prime is 20441733289. The next prime is 20441733331. The reversal of 20441733312 is 21333714402.

It is a self number, because there is not a number n which added to its sum of digits gives 20441733312.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 280023708 + ... + 280023780.

It is an arithmetic number, because the mean of its divisors is an integer number (86611968).

Almost surely, 2^20441733312 is an apocalyptic number.

20441733312 is a gapful number since it is divisible by the number (22) 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 20441733312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38802161664).

20441733312 is an abundant number, since it is smaller than the sum of its proper divisors (57162590016).

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

20441733312 is a wasteful number, since it uses less digits than its factorization.

20441733312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The spelling of 20441733312 in words is "twenty billion, four hundred forty-one million, seven hundred thirty-three thousand, three hundred twelve".