20963658832983 has 64 divisors (see below), whose sum is σ = 32854584314880. Its totient is φ = 13183778640384.

The previous prime is 20963658832979. The next prime is 20963658833011. The reversal of 20963658832983 is 38923885636902.

20963658832983 is a `hidden beast` number, since 2 + 0 + 9 + 6 + 3 + 6 + 588 + 32 + 9 + 8 + 3 = 666.

It is not a de Polignac number, because 20963658832983 - 2² = 20963658832979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20963658832913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 952752660 + ... + 952774662.

It is an arithmetic number, because the mean of its divisors is an integer number (513352879920).

Almost surely, 2^{20963658832983} is an apocalyptic number.

20963658832983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20963658832983 is a deficient number, since it is larger than the sum of its proper divisors (11890925481897).

20963658832983 is a wasteful number, since it uses less digits than its factorization.

20963658832983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43125 (or 43119 counting only the distinct ones).

The product of its (nonzero) digits is 806215680, while the sum is 72.

The spelling of 20963658832983 in words is "twenty trillion, nine hundred sixty-three billion, six hundred fifty-eight million, eight hundred thirty-two thousand, nine hundred eighty-three".