20323110303312 has 20 divisors (see below), whose sum is σ = 52501368283680. Its totient is φ = 6774370101088.

The previous prime is 20323110303311. The next prime is 20323110303329. The reversal of 20323110303312 is 21330301132302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323110303311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211699065612 + ... + 211699065707.

It is an arithmetic number, because the mean of its divisors is an integer number (2625068414184).

Almost surely, 2^{20323110303312} is an apocalyptic number.

It is an amenable number.

20323110303312 is an abundant number, since it is smaller than the sum of its proper divisors (32178257980368).

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

20323110303312 is a wasteful number, since it uses less digits than its factorization.

20323110303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423398131330 (or 423398131324 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20323110303312 its reverse (21330301132302), we get a palindrome (41653411435614).

The spelling of 20323110303312 in words is "twenty trillion, three hundred twenty-three billion, one hundred ten million, three hundred three thousand, three hundred twelve".