20006723384056 has 64 divisors (see below), whose sum is σ = 38136201979680. Its totient is φ = 9838467809280.

The previous prime is 20006723384027. The next prime is 20006723384071. The reversal of 20006723384056 is 65048332760002.

It is a super-2 number, since 2×20006723384056² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20006723383997 and 20006723384015.

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 15 ways as a sum of consecutive naturals, for example, 141759766 + ... + 141900826.

Almost surely, 2^{20006723384056} is an apocalyptic number.

It is an amenable number.

20006723384056 is a deficient number, since it is larger than the sum of its proper divisors (18129478595624).

20006723384056 is a wasteful number, since it uses less digits than its factorization.

20006723384056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142304 (or 142300 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 20006723384056 in words is "twenty trillion, six billion, seven hundred twenty-three million, three hundred eighty-four thousand, fifty-six".