20324123640336 has 80 divisors (see below), whose sum is σ = 53927718694784. Its totient is φ = 6591032404992.

The previous prime is 20324123640281. The next prime is 20324123640349. The reversal of 20324123640336 is 63304632142302.

It is a junction number, because it is equal to n+sod(n) for n = 20324123640294 and 20324123640303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20095605 + ... + 21082731.

Almost surely, 2^{20324123640336} is an apocalyptic number.

It is an amenable number.

20324123640336 is an abundant number, since it is smaller than the sum of its proper divisors (33603595054448).

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

20324123640336 is a wasteful number, since it uses less digits than its factorization.

20324123640336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998768 (or 998762 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 20324123640336 its reverse (63304632142302), we get a palindrome (83628755782638).

The spelling of 20324123640336 in words is "twenty trillion, three hundred twenty-four billion, one hundred twenty-three million, six hundred forty thousand, three hundred thirty-six".