20489532336000 has 8192 divisors, whose sum is σ = 108399978086400. Its totient is φ = 3678732288000.

The previous prime is 20489532335989. The next prime is 20489532336019. The reversal of 20489532336000 is 63323598402.

20489532336000 is a `hidden beast` number, since 2 + 0 + 4 + 8 + 9 + 5 + 3 + 2 + 33 + 600 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 476500751979 + ... + 476500752021.

It is an arithmetic number, because the mean of its divisors is an integer number (13232419200).

Almost surely, 2^{20489532336000} is an apocalyptic number.

20489532336000 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 20489532336000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54199989043200).

20489532336000 is an abundant number, since it is smaller than the sum of its proper divisors (87910445750400).

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

20489532336000 is a wasteful number, since it uses less digits than its factorization.

20489532336000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 20489532336000 in words is "twenty trillion, four hundred eighty-nine billion, five hundred thirty-two million, three hundred thirty-six thousand".