20626205800000 has 168 divisors, whose sum is σ = 51445280416320. Its totient is φ = 8204376000000.

The previous prime is 20626205799943. The next prime is 20626205800019. The reversal of 20626205800000 is 850262602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35511925 + ... + 36088075.

It is an arithmetic number, because the mean of its divisors is an integer number (306221907240).

Almost surely, 2^{20626205800000} is an apocalyptic number.

20626205800000 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 20626205800000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25722640208160).

20626205800000 is an abundant number, since it is smaller than the sum of its proper divisors (30819074616320).

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

20626205800000 is an frugal number, since it uses more digits than its factorization.

20626205800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576367 (or 576337 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20626205800000 in words is "twenty trillion, six hundred twenty-six billion, two hundred five million, eight hundred thousand".