20934333438886 has 16 divisors (see below), whose sum is σ = 37998453973536. Its totient is φ = 8444100882816.

The previous prime is 20934333438883. The next prime is 20934333438899. The reversal of 20934333438886 is 68883433343902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20934333438883) 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 7 ways as a sum of consecutive naturals, for example, 43979691861 + ... + 43979692336.

It is an arithmetic number, because the mean of its divisors is an integer number (2374903373346).

Almost surely, 2^{20934333438886} is an apocalyptic number.

20934333438886 is a deficient number, since it is larger than the sum of its proper divisors (17064120534650).

20934333438886 is a wasteful number, since it uses less digits than its factorization.

20934333438886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87959384223.

The product of its (nonzero) digits is 214990848, while the sum is 64.

The spelling of 20934333438886 in words is "twenty trillion, nine hundred thirty-four billion, three hundred thirty-three million, four hundred thirty-eight thousand, eight hundred eighty-six".