20487076841 has 32 divisors (see below), whose sum is σ = 26699500800. Its totient is φ = 15574473600.

The previous prime is 20487076829. The next prime is 20487076843. The reversal of 20487076841 is 14867078402.

It is not a de Polignac number, because 20487076841 - 2¹⁸ = 20486814697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20487076843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88475 + ... + 220911.

It is an arithmetic number, because the mean of its divisors is an integer number (834359400).

Almost surely, 2^20487076841 is an apocalyptic number.

It is an amenable number.

20487076841 is a deficient number, since it is larger than the sum of its proper divisors (6212423959).

20487076841 is a wasteful number, since it uses less digits than its factorization.

20487076841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132510 (or 132496 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 20487076841 in words is "twenty billion, four hundred eighty-seven million, seventy-six thousand, eight hundred forty-one".