It is a happy number.
20478611160 is a `hidden beast` number, since 20 + 4 + 7 + 8 + 611 + 16 + 0 = 666.
It is a congruent number.
It is an unprimeable number.
Almost surely, 220478611160 is an apocalyptic number.
20478611160 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 20478611160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44218137600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20478611160 is a wasteful number, since it uses less digits than its factorization.
20478611160 is an evil number, because the sum of its binary digits is even.
The spelling of 20478611160 in words is "twenty billion, four hundred seventy-eight million, six hundred eleven thousand, one hundred sixty".