20966119478 has 8 divisors (see below), whose sum is σ = 31457996760. Its totient is φ = 10480120560.

The previous prime is 20966119477. The next prime is 20966119501. The reversal of 20966119478 is 87491166902.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20966119477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460663 + ... + 1474946.

It is an arithmetic number, because the mean of its divisors is an integer number (3932249595).

Almost surely, 2^20966119478 is an apocalyptic number.

20966119478 is a deficient number, since it is larger than the sum of its proper divisors (10491877282).

20966119478 is a wasteful number, since it uses less digits than its factorization.

20966119478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939182.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 20966119478 in words is "twenty billion, nine hundred sixty-six million, one hundred nineteen thousand, four hundred seventy-eight".