20244684648480 has 48 divisors (see below), whose sum is σ = 63770756644224. Its totient is φ = 5398582572800.

The previous prime is 20244684648427. The next prime is 20244684648499. The reversal of 20244684648480 is 8484648644202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21088212696 + ... + 21088213655.

It is an arithmetic number, because the mean of its divisors is an integer number (1328557430088).

Almost surely, 2^{20244684648480} is an apocalyptic number.

20244684648480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20244684648480 is an abundant number, since it is smaller than the sum of its proper divisors (43526071995744).

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

20244684648480 is a wasteful number, since it uses less digits than its factorization.

20244684648480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42176426369 (or 42176426361 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 60.

The spelling of 20244684648480 in words is "twenty trillion, two hundred forty-four billion, six hundred eighty-four million, six hundred forty-eight thousand, four hundred eighty".