20201323112 has 16 divisors (see below), whose sum is σ = 37879059300. Its totient is φ = 10100240640.

The previous prime is 20201323097. The next prime is 20201323117. The reversal of 20201323112 is 21132310202.

It can be written as a sum of positive squares in 2 ways, for example, as 18924404356 + 1276918756 = 137566^2 + 35734^2 .

It is not an unprimeable number, because it can be changed into a prime (20201323117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262064 + ... + 330272.

Almost surely, 2^20201323112 is an apocalyptic number.

It is an amenable number.

20201323112 is a deficient number, since it is larger than the sum of its proper divisors (17677736188).

20201323112 is a wasteful number, since it uses less digits than its factorization.

20201323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105236 (or 105232 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20201323112 its reverse (21132310202), we get a palindrome (41333633314).

The spelling of 20201323112 in words is "twenty billion, two hundred one million, three hundred twenty-three thousand, one hundred twelve".