20532852479999 has 4 divisors (see below), whose sum is σ = 20576820044664. Its totient is φ = 20488884915336.

The previous prime is 20532852479941. The next prime is 20532852480001. The reversal of 20532852479999 is 99997425823502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20532852479999 - 2⁸ = 20532852479743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532852479599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21983781632 + ... + 21983782565.

It is an arithmetic number, because the mean of its divisors is an integer number (5144205011166).

Almost surely, 2^{20532852479999} is an apocalyptic number.

20532852479999 is a deficient number, since it is larger than the sum of its proper divisors (43967564665).

20532852479999 is an equidigital number, since it uses as much as digits as its factorization.

20532852479999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43967564664.

The product of its (nonzero) digits is 881798400, while the sum is 74.

The spelling of 20532852479999 in words is "twenty trillion, five hundred thirty-two billion, eight hundred fifty-two million, four hundred seventy-nine thousand, nine hundred ninety-nine".