20471213767344 has 40 divisors (see below), whose sum is σ = 52966214653632. Its totient is φ = 6813125567040.

The previous prime is 20471213767321. The next prime is 20471213767427. The reversal of 20471213767344 is 44376731217402.

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, 331604922 + ... + 331666649.

Almost surely, 2^{20471213767344} is an apocalyptic number.

20471213767344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20471213767344 is an abundant number, since it is smaller than the sum of its proper divisors (32495000886288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20471213767344 is a wasteful number, since it uses less digits than its factorization.

20471213767344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663272225 (or 663272219 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 51.

The spelling of 20471213767344 in words is "twenty trillion, four hundred seventy-one billion, two hundred thirteen million, seven hundred sixty-seven thousand, three hundred forty-four".