20934259166 has 16 divisors (see below), whose sum is σ = 33677758800. Its totient is φ = 9729128448.

The previous prime is 20934259133. The next prime is 20934259201. The reversal of 20934259166 is 66195243902.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20934259166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5195171 + ... + 5199198.

It is an arithmetic number, because the mean of its divisors is an integer number (2104859925).

Almost surely, 2^20934259166 is an apocalyptic number.

20934259166 is a deficient number, since it is larger than the sum of its proper divisors (12743499634).

20934259166 is a wasteful number, since it uses less digits than its factorization.

20934259166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10394443.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 20934259166 in words is "twenty billion, nine hundred thirty-four million, two hundred fifty-nine thousand, one hundred sixty-six".