20313120012032 has 72 divisors (see below), whose sum is σ = 43298127546240. Its totient is φ = 9490000343040.

The previous prime is 20313120011999. The next prime is 20313120012067. The reversal of 20313120012032 is 23021002131302.

It is a junction number, because it is equal to n+sod(n) for n = 20313120011995 and 20313120012013.

It is a congruent number.

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, 43901183 + ... + 44361470.

Almost surely, 2^{20313120012032} is an apocalyptic number.

It is an amenable number.

20313120012032 is an abundant number, since it is smaller than the sum of its proper divisors (22985007534208).

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

20313120012032 is an equidigital number, since it uses as much as digits as its factorization.

20313120012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88262729 (or 88262715 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20313120012032 its reverse (23021002131302), we get a palindrome (43334122143334).

The spelling of 20313120012032 in words is "twenty trillion, three hundred thirteen billion, one hundred twenty million, twelve thousand, thirty-two".