20682622284468 has 12 divisors (see below), whose sum is σ = 48259451997120. Its totient is φ = 6894207428152.

The previous prime is 20682622284449. The next prime is 20682622284481. The reversal of 20682622284468 is 86448222628602.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×20682622284468² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 861775928508 + ... + 861775928531.

It is an arithmetic number, because the mean of its divisors is an integer number (4021620999760).

Almost surely, 2^{20682622284468} is an apocalyptic number.

It is an amenable number.

20682622284468 is an abundant number, since it is smaller than the sum of its proper divisors (27576829712652).

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

20682622284468 is a wasteful number, since it uses less digits than its factorization.

20682622284468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723551857046 (or 1723551857044 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 60.

The spelling of 20682622284468 in words is "twenty trillion, six hundred eighty-two billion, six hundred twenty-two million, two hundred eighty-four thousand, four hundred sixty-eight".