20485489483008 has 432 divisors, whose sum is σ = 67112996059200. Its totient is φ = 6180568842240.

The previous prime is 20485489482961. The next prime is 20485489483013. The reversal of 20485489483008 is 80038498458402.

20485489483008 is a `hidden beast` number, since 2 + 0 + 4 + 8 + 548 + 9 + 4 + 83 + 0 + 0 + 8 = 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, 156636588 + ... + 156767316.

Almost surely, 2^{20485489483008} 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 20485489483008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33556498029600).

20485489483008 is an abundant number, since it is smaller than the sum of its proper divisors (46627506576192).

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

20485489483008 is a wasteful number, since it uses less digits than its factorization.

20485489483008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131000 (or 130974 counting only the distinct ones).

The product of its (nonzero) digits is 70778880, while the sum is 63.

The spelling of 20485489483008 in words is "twenty trillion, four hundred eighty-five billion, four hundred eighty-nine million, four hundred eighty-three thousand, eight".