21843462020382 has 20 divisors (see below), whose sum is σ = 48945535268256. Its totient is φ = 7281154006740.

The previous prime is 21843462020357. The next prime is 21843462020389. The reversal of 21843462020382 is 28302026434812.

21843462020382 is a `hidden beast` number, since 2 + 1 + 8 + 4 + 346 + 20 + 203 + 82 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21843462020389) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67418092494 + ... + 67418092817.

Almost surely, 2^{21843462020382} is an apocalyptic number.

21843462020382 is an abundant number, since it is smaller than the sum of its proper divisors (27102073247874).

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

21843462020382 is a wasteful number, since it uses less digits than its factorization.

21843462020382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134836185325 (or 134836185316 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 45.

The spelling of 21843462020382 in words is "twenty-one trillion, eight hundred forty-three billion, four hundred sixty-two million, twenty thousand, three hundred eighty-two".