20201331131112 has 16 divisors (see below), whose sum is σ = 50503327827840. Its totient is φ = 6733777043696.

The previous prime is 20201331131027. The next prime is 20201331131153. The reversal of 20201331131112 is 21113113310202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420861065208 + ... + 420861065255.

It is an arithmetic number, because the mean of its divisors is an integer number (3156457989240).

Almost surely, 2^{20201331131112} is an apocalyptic number.

It is an amenable number.

20201331131112 is an abundant number, since it is smaller than the sum of its proper divisors (30301996696728).

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

20201331131112 is a wasteful number, since it uses less digits than its factorization.

20201331131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841722130472 (or 841722130468 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 20201331131112 its reverse (21113113310202), we get a palindrome (41314444441314).

The spelling of 20201331131112 in words is "twenty trillion, two hundred one billion, three hundred thirty-one million, one hundred thirty-one thousand, one hundred twelve".