20576285716143 has 48 divisors (see below), whose sum is σ = 28469279962368. Its totient is φ = 13217081702400.

The previous prime is 20576285716127. The next prime is 20576285716199. The reversal of 20576285716143 is 34161758267502.

It is a happy number.

It is not a de Polignac number, because 20576285716143 - 2⁴ = 20576285716127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20576285716043) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1513957278 + ... + 1513970868.

It is an arithmetic number, because the mean of its divisors is an integer number (593109999216).

Almost surely, 2^{20576285716143} is an apocalyptic number.

20576285716143 is a deficient number, since it is larger than the sum of its proper divisors (7892994246225).

20576285716143 is a wasteful number, since it uses less digits than its factorization.

20576285716143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17376 (or 17335 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 57.

The spelling of 20576285716143 in words is "twenty trillion, five hundred seventy-six billion, two hundred eighty-five million, seven hundred sixteen thousand, one hundred forty-three".