20326465495872 has 126 divisors (see below), whose sum is σ = 59648590060722. Its totient is φ = 6617918651904.

The previous prime is 20326465495849. The next prime is 20326465495937. The reversal of 20326465495872 is 27859456462302.

20326465495872 is a `hidden beast` number, since 2 + 0 + 3 + 2 + 6 + 4 + 6 + 5 + 49 + 587 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19894311772416 + 432153723456 = 4460304^2 + 657384^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8477703 + ... + 10607750.

Almost surely, 2^{20326465495872} is an apocalyptic number.

It is an amenable number.

20326465495872 is an abundant number, since it is smaller than the sum of its proper divisors (39322124564850).

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

20326465495872 is a wasteful number, since it uses less digits than its factorization.

20326465495872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19085557 (or 19085501 counting only the distinct ones).

The product of its (nonzero) digits is 174182400, while the sum is 63.

The spelling of 20326465495872 in words is "twenty trillion, three hundred twenty-six billion, four hundred sixty-five million, four hundred ninety-five thousand, eight hundred seventy-two".