20796021262800 has 2880 divisors, whose sum is σ = 92815034457600. Its totient is φ = 4291854336000.

The previous prime is 20796021262787. The next prime is 20796021262843. The reversal of 20796021262800 is 826212069702.

20796021262800 is a `hidden beast` number, since 2 + 0 + 7 + 9 + 6 + 0 + 2 + 12 + 628 + 0 + 0 = 666.

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 575 ways as a sum of consecutive naturals, for example, 62827858635 + ... + 62827858965.

It is an arithmetic number, because the mean of its divisors is an integer number (32227442520).

Almost surely, 2^{20796021262800} is an apocalyptic number.

20796021262800 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 20796021262800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46407517228800).

20796021262800 is an abundant number, since it is smaller than the sum of its proper divisors (72019013194800).

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

20796021262800 is a wasteful number, since it uses less digits than its factorization.

20796021262800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 20796021262800 in words is "twenty trillion, seven hundred ninety-six billion, twenty-one million, two hundred sixty-two thousand, eight hundred".