20983764706416 has 100 divisors (see below), whose sum is σ = 60916587882744. Its totient is φ = 6973456406400.

The previous prime is 20983764706393. The next prime is 20983764706427. The reversal of 20983764706416 is 61460746738902.

It is a happy number.

20983764706416 is a `hidden beast` number, since 2 + 0 + 9 + 83 + 76 + 4 + 70 + 6 + 416 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24028995 + ... + 24886946.

Almost surely, 2^{20983764706416} is an apocalyptic number.

It is an amenable number.

20983764706416 is an abundant number, since it is smaller than the sum of its proper divisors (39932823176328).

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

20983764706416 is a wasteful number, since it uses less digits than its factorization.

20983764706416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48916292 (or 48916277 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 20983764706416 in words is "twenty trillion, nine hundred eighty-three billion, seven hundred sixty-four million, seven hundred six thousand, four hundred sixteen".