20674966548480 has 208 divisors, whose sum is σ = 66159467649024. Its totient is φ = 5512686796800.

The previous prime is 20674966548461. The next prime is 20674966548529. The reversal of 20674966548480 is 8484566947602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796679505 + ... + 796705455.

Almost surely, 2^{20674966548480} is an apocalyptic number.

20674966548480 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 20674966548480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33079733824512).

20674966548480 is an abundant number, since it is smaller than the sum of its proper divisors (45484501100544).

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

20674966548480 is a wasteful number, since it uses less digits than its factorization.

20674966548480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38950 (or 38928 counting only the distinct ones).

The product of its (nonzero) digits is 557383680, while the sum is 69.

The spelling of 20674966548480 in words is "twenty trillion, six hundred seventy-four billion, nine hundred sixty-six million, five hundred forty-eight thousand, four hundred eighty".