20680362167 has 16 divisors (see below), whose sum is σ = 21757071360. Its totient is φ = 19630749600.

The previous prime is 20680362149. The next prime is 20680362179. The reversal of 20680362167 is 76126308602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20680362167 - 2¹⁶ = 20680296631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20680362467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834617 + ... + 859037.

It is an arithmetic number, because the mean of its divisors is an integer number (1359816960).

Almost surely, 2^20680362167 is an apocalyptic number.

20680362167 is a deficient number, since it is larger than the sum of its proper divisors (1076709193).

20680362167 is a wasteful number, since it uses less digits than its factorization.

20680362167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24974.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 20680362167 in words is "twenty billion, six hundred eighty million, three hundred sixty-two thousand, one hundred sixty-seven".