20331320085696 has 56 divisors (see below), whose sum is σ = 53793657354304. Its totient is φ = 6777059708160.

The previous prime is 20331320085677. The next prime is 20331320085721. The reversal of 20331320085696 is 69658002313302.

It is a super-3 number, since 3×20331320085696³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37594491 + ... + 38131461.

It is an arithmetic number, because the mean of its divisors is an integer number (960601024184).

Almost surely, 2^{20331320085696} is an apocalyptic number.

It is an amenable number.

20331320085696 is an abundant number, since it is smaller than the sum of its proper divisors (33462337268608).

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

20331320085696 is a wasteful number, since it uses less digits than its factorization.

20331320085696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734189 (or 734179 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

Adding to 20331320085696 its reverse (69658002313302), we get a palindrome (89989322398998).

The spelling of 20331320085696 in words is "twenty trillion, three hundred thirty-one billion, three hundred twenty million, eighty-five thousand, six hundred ninety-six".