20876729361 has 8 divisors (see below), whose sum is σ = 28514557344. Its totient is φ = 13578360480.

The previous prime is 20876729347. The next prime is 20876729369. The reversal of 20876729361 is 16392767802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20876729361 - 2³⁰ = 19802987537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20876729369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84864631 + ... + 84864876.

It is an arithmetic number, because the mean of its divisors is an integer number (3564319668).

Almost surely, 2^20876729361 is an apocalyptic number.

It is an amenable number.

20876729361 is a deficient number, since it is larger than the sum of its proper divisors (7637827983).

20876729361 is a wasteful number, since it uses less digits than its factorization.

20876729361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169729551.

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 20876729361 in words is "twenty billion, eight hundred seventy-six million, seven hundred twenty-nine thousand, three hundred sixty-one".