20203011031112 has 64 divisors (see below), whose sum is σ = 46622943669120. Its totient is φ = 7992295308288.

The previous prime is 20203011031067. The next prime is 20203011031127. The reversal of 20203011031112 is 21113011030202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79331888 + ... + 79586144.

It is an arithmetic number, because the mean of its divisors is an integer number (728483494830).

Almost surely, 2^{20203011031112} is an apocalyptic number.

It is an amenable number.

20203011031112 is an abundant number, since it is smaller than the sum of its proper divisors (26419932638008).

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

20203011031112 is a wasteful number, since it uses less digits than its factorization.

20203011031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363430 (or 363426 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20203011031112 its reverse (21113011030202), we get a palindrome (41316022061314).

The spelling of 20203011031112 in words is "twenty trillion, two hundred three billion, eleven million, thirty-one thousand, one hundred twelve".