20968356483 has 12 divisors (see below), whose sum is σ = 30652538280. Its totient is φ = 13810483296.

The previous prime is 20968356481. The next prime is 20968356491. The reversal of 20968356483 is 38465386902.

20968356483 is a `hidden beast` number, since 20 + 96 + 8 + 3 + 56 + 483 = 666.

It is not a de Polignac number, because 20968356483 - 2¹ = 20968356481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20968356481) 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 11 ways as a sum of consecutive naturals, for example, 14034298 + ... + 14035791.

It is an arithmetic number, because the mean of its divisors is an integer number (2554378190).

Almost surely, 2^20968356483 is an apocalyptic number.

20968356483 is a deficient number, since it is larger than the sum of its proper divisors (9684181797).

20968356483 is a wasteful number, since it uses less digits than its factorization.

20968356483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28070178 (or 28070175 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 20968356483 in words is "twenty billion, nine hundred sixty-eight million, three hundred fifty-six thousand, four hundred eighty-three".