20006834818446 has 96 divisors (see below), whose sum is σ = 52149518952960. Its totient is φ = 5415240754368.

The previous prime is 20006834818441. The next prime is 20006834818469. The reversal of 20006834818446 is 64481843860002.

It is a happy number.

20006834818446 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 6 + 83 + 481 + 84 + 4 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20006834818392 and 20006834818401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20006834818441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115991700 + ... + 116164056.

It is an arithmetic number, because the mean of its divisors is an integer number (543224155760).

Almost surely, 2^{20006834818446} is an apocalyptic number.

20006834818446 is an abundant number, since it is smaller than the sum of its proper divisors (32142684134514).

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

20006834818446 is a wasteful number, since it uses less digits than its factorization.

20006834818446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220878 (or 220875 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 20006834818446 in words is "twenty trillion, six billion, eight hundred thirty-four million, eight hundred eighteen thousand, four hundred forty-six".