20533341208856 has 32 divisors (see below), whose sum is σ = 45073188024480. Its totient is φ = 8585369145600.

The previous prime is 20533341208843. The next prime is 20533341208867. The reversal of 20533341208856 is 65880214333502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4471544135 + ... + 4471548726.

It is an arithmetic number, because the mean of its divisors is an integer number (1408537125765).

Almost surely, 2^{20533341208856} is an apocalyptic number.

It is an amenable number.

20533341208856 is an abundant number, since it is smaller than the sum of its proper divisors (24539846815624).

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

20533341208856 is a wasteful number, since it uses less digits than its factorization.

20533341208856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943092915 (or 8943092911 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 50.

The spelling of 20533341208856 in words is "twenty trillion, five hundred thirty-three billion, three hundred forty-one million, two hundred eight thousand, eight hundred fifty-six".