20885796835200 has 864 divisors, whose sum is σ = 83462576881320. Its totient is φ = 4967647027200.

The previous prime is 20885796835159. The next prime is 20885796835229. The reversal of 20885796835200 is 253869758802.

20885796835200 is a `hidden beast` number, since 2 + 0 + 8 + 8 + 579 + 6 + 8 + 3 + 52 + 0 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 184637859 + ... + 184750941.

Almost surely, 2^{20885796835200} is an apocalyptic number.

20885796835200 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 20885796835200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41731288440660).

20885796835200 is an abundant number, since it is smaller than the sum of its proper divisors (62576780046120).

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

20885796835200 is a wasteful number, since it uses less digits than its factorization.

20885796835200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113188 (or 113157 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 63.

The spelling of 20885796835200 in words is "twenty trillion, eight hundred eighty-five billion, seven hundred ninety-six million, eight hundred thirty-five thousand, two hundred".