20343305986720 has 96 divisors (see below), whose sum is σ = 50153664613248. Its totient is φ = 7783061265408.

The previous prime is 20343305986687. The next prime is 20343305986747. The reversal of 20343305986720 is 2768950334302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65005662 + ... + 65317858.

It is an arithmetic number, because the mean of its divisors is an integer number (522434006388).

Almost surely, 2^{20343305986720} is an apocalyptic number.

20343305986720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20343305986720 is an abundant number, since it is smaller than the sum of its proper divisors (29810358626528).

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

20343305986720 is a wasteful number, since it uses less digits than its factorization.

20343305986720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329942 (or 329934 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 20343305986720 in words is "twenty trillion, three hundred forty-three billion, three hundred five million, nine hundred eighty-six thousand, seven hundred twenty".