20843529714 has 64 divisors (see below), whose sum is σ = 52953753600. Its totient is φ = 5953291344.

The previous prime is 20843529713. The next prime is 20843529719. The reversal of 20843529714 is 41792534802.

20843529714 is a `hidden beast` number, since 208 + 4 + 352 + 97 + 1 + 4 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20843529714.

It is not an unprimeable number, because it can be changed into a prime (20843529713) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1398369 + ... + 1413195.

It is an arithmetic number, because the mean of its divisors is an integer number (827402400).

Almost surely, 2^20843529714 is an apocalyptic number.

20843529714 is an abundant number, since it is smaller than the sum of its proper divisors (32110223886).

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

20843529714 is a wasteful number, since it uses less digits than its factorization.

20843529714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18564 (or 18558 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 20843529714 in words is "twenty billion, eight hundred forty-three million, five hundred twenty-nine thousand, seven hundred fourteen".