20330311132312 has 32 divisors (see below), whose sum is σ = 38337714717120. Its totient is φ = 10106943333120.

The previous prime is 20330311132303. The next prime is 20330311132349. The reversal of 20330311132312 is 21323111303302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5726833 + ... + 8570719.

It is an arithmetic number, because the mean of its divisors is an integer number (1198053584910).

Almost surely, 2^{20330311132312} is an apocalyptic number.

It is an amenable number.

20330311132312 is a deficient number, since it is larger than the sum of its proper divisors (18007403584808).

20330311132312 is a wasteful number, since it uses less digits than its factorization.

20330311132312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849011 (or 2849007 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 20330311132312 its reverse (21323111303302), we get a palindrome (41653422435614).

The spelling of 20330311132312 in words is "twenty trillion, three hundred thirty billion, three hundred eleven million, one hundred thirty-two thousand, three hundred twelve".