It is a happy number.
20812364014464 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 236 + 401 + 4 + 4 + 6 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
Almost surely, 220812364014464 is an apocalyptic number.
20812364014464 is a gapful number since it is divisible by the number (24) 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 20812364014464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34220506320000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20812364014464 is a wasteful number, since it uses less digits than its factorization.
20812364014464 is an evil number, because the sum of its binary digits is even.
The spelling of 20812364014464 in words is "twenty trillion, eight hundred twelve billion, three hundred sixty-four million, fourteen thousand, four hundred sixty-four".