20976656060790 has 24 divisors (see below), whose sum is σ = 54539305758288. Its totient is φ = 5593774949520.

The previous prime is 20976656060749. The next prime is 20976656060791. The reversal of 20976656060790 is 9706065667902.

20976656060790 is a `hidden beast` number, since 2 + 0 + 9 + 7 + 6 + 6 + 560 + 60 + 7 + 9 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20976656060791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116536978026 + ... + 116536978205.

It is an arithmetic number, because the mean of its divisors is an integer number (2272471073262).

Almost surely, 2^{20976656060790} is an apocalyptic number.

20976656060790 is an abundant number, since it is smaller than the sum of its proper divisors (33562649697498).

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

20976656060790 is a wasteful number, since it uses less digits than its factorization.

20976656060790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233073956244 (or 233073956241 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 63.

The spelling of 20976656060790 in words is "twenty trillion, nine hundred seventy-six billion, six hundred fifty-six million, sixty thousand, seven hundred ninety".