20480055471072 has 144 divisors (see below), whose sum is σ = 58292640085680. Its totient is φ = 6820536231936.

The previous prime is 20480055471037. The next prime is 20480055471079. The reversal of 20480055471072 is 27017455008402.

20480055471072 is a `hidden beast` number, since 2 + 0 + 4 + 80 + 0 + 554 + 7 + 10 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480055471079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2619934108 + ... + 2619941924.

It is an arithmetic number, because the mean of its divisors is an integer number (404810000595).

Almost surely, 2^{20480055471072} is an apocalyptic number.

It is an amenable number.

20480055471072 is an abundant number, since it is smaller than the sum of its proper divisors (37812584614608).

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

20480055471072 is a wasteful number, since it uses less digits than its factorization.

20480055471072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865 (or 14854 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 20480055471072 in words is "twenty trillion, four hundred eighty billion, fifty-five million, four hundred seventy-one thousand, seventy-two".