20960541667 has 8 divisors (see below), whose sum is σ = 22576255856. Its totient is φ = 19345308192.

The previous prime is 20960541659. The next prime is 20960541689. The reversal of 20960541667 is 76614506902.

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

It is a cyclic number.

It is not a de Polignac number, because 20960541667 - 2³ = 20960541659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20960541607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26928 + ... + 206509.

It is an arithmetic number, because the mean of its divisors is an integer number (2822031982).

Almost surely, 2^20960541667 is an apocalyptic number.

20960541667 is a deficient number, since it is larger than the sum of its proper divisors (1615714189).

20960541667 is a wasteful number, since it uses less digits than its factorization.

20960541667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240357.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 20960541667 in words is "twenty billion, nine hundred sixty million, five hundred forty-one thousand, six hundred sixty-seven".