20378762176 has 14 divisors (see below), whose sum is σ = 40439106320. Its totient is φ = 10189381056.

The previous prime is 20378762161. The next prime is 20378762233. The reversal of 20378762176 is 67126787302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 159209016 + ... + 159209143.

Almost surely, 2^20378762176 is an apocalyptic number.

It is an amenable number.

20378762176 is a deficient number, since it is larger than the sum of its proper divisors (20060344144).

20378762176 is an equidigital number, since it uses as much as digits as its factorization.

20378762176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318418171 (or 318418161 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 49.

The spelling of 20378762176 in words is "twenty billion, three hundred seventy-eight million, seven hundred sixty-two thousand, one hundred seventy-six".