20006326663452 has 72 divisors (see below), whose sum is σ = 50913017064000. Its totient is φ = 6623750291328.

The previous prime is 20006326663439. The next prime is 20006326663469. The reversal of 20006326663452 is 25436662360002.

It is a junction number, because it is equal to n+sod(n) for n = 20006326663398 and 20006326663407.

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 23 ways as a sum of consecutive naturals, for example, 166594093 + ... + 166714139.

It is an arithmetic number, because the mean of its divisors is an integer number (707125237000).

Almost surely, 2^{20006326663452} is an apocalyptic number.

It is an amenable number.

20006326663452 is an abundant number, since it is smaller than the sum of its proper divisors (30906690400548).

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

20006326663452 is a wasteful number, since it uses less digits than its factorization.

20006326663452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151275 (or 151270 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 45.

The spelling of 20006326663452 in words is "twenty trillion, six billion, three hundred twenty-six million, six hundred sixty-three thousand, four hundred fifty-two".