20910830264000 has 112 divisors (see below), whose sum is σ = 51801433912800. Its totient is φ = 8361786137600.

The previous prime is 20910830263957. The next prime is 20910830264021. The reversal of 20910830264000 is 46203801902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25995842 + ... + 26788158.

Almost surely, 2^{20910830264000} is an apocalyptic number.

20910830264000 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 20910830264000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25900716956400).

20910830264000 is an abundant number, since it is smaller than the sum of its proper divisors (30890603648800).

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

20910830264000 is an equidigital number, since it uses as much as digits as its factorization.

20910830264000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795643 (or 795623 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 20910830264000 in words is "twenty trillion, nine hundred ten billion, eight hundred thirty million, two hundred sixty-four thousand".