20313133436392 has 8 divisors (see below), whose sum is σ = 38087125193250. Its totient is φ = 10156566718192.

The previous prime is 20313133436359. The next prime is 20313133436459. The reversal of 20313133436392 is 29363433131302.

20313133436392 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 12196480583716 + 8116652852676 = 3492346^2 + 2848974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269570839767 + ... + 1269570839782.

Almost surely, 2^{20313133436392} is an apocalyptic number.

It is an amenable number.

20313133436392 is a deficient number, since it is larger than the sum of its proper divisors (17773991756858).

20313133436392 is a wasteful number, since it uses less digits than its factorization.

20313133436392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539141679555 (or 2539141679551 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 43.

Adding to 20313133436392 its reverse (29363433131302), we get a palindrome (49676566567694).

The spelling of 20313133436392 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-three million, four hundred thirty-six thousand, three hundred ninety-two".