20068488543446 has 16 divisors (see below), whose sum is σ = 34403193738144. Its totient is φ = 8600763174144.

The previous prime is 20068488543443. The next prime is 20068488543449. The reversal of 20068488543446 is 64434588486002.

It is an interprime number because it is at equal distance from previous prime (20068488543443) and next prime (20068488543449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20068488543443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7487366 + ... + 9808038.

It is an arithmetic number, because the mean of its divisors is an integer number (2150199608634).

Almost surely, 2^{20068488543446} is an apocalyptic number.

20068488543446 is a deficient number, since it is larger than the sum of its proper divisors (14334705194698).

20068488543446 is a wasteful number, since it uses less digits than its factorization.

20068488543446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938375.

The product of its (nonzero) digits is 141557760, while the sum is 62.

The spelling of 20068488543446 in words is "twenty trillion, sixty-eight billion, four hundred eighty-eight million, five hundred forty-three thousand, four hundred forty-six".