20652842363999 has 8 divisors (see below), whose sum is σ = 21153990480000. Its totient is φ = 20156730912792.

The previous prime is 20652842363983. The next prime is 20652842364013. The reversal of 20652842363999 is 99936324825602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20652842363999 - 2⁴ = 20652842363983 is a prime.

It is a super-2 number, since 2×20652842363999² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20652842363939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1259157899 + ... + 1259174300.

It is an arithmetic number, because the mean of its divisors is an integer number (2644248810000).

Almost surely, 2^{20652842363999} is an apocalyptic number.

20652842363999 is a deficient number, since it is larger than the sum of its proper divisors (501148116001).

20652842363999 is a wasteful number, since it uses less digits than its factorization.

20652842363999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518332397.

The product of its (nonzero) digits is 302330880, while the sum is 68.

The spelling of 20652842363999 in words is "twenty trillion, six hundred fifty-two billion, eight hundred forty-two million, three hundred sixty-three thousand, nine hundred ninety-nine".