20203101112 has 8 divisors (see below), whose sum is σ = 37880814600. Its totient is φ = 10101550552.

The previous prime is 20203101043. The next prime is 20203101143. The reversal of 20203101112 is 21110130202.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20203101092 and 20203101101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262693812 + ... + 1262693827.

It is an arithmetic number, because the mean of its divisors is an integer number (4735101825).

Almost surely, 2^20203101112 is an apocalyptic number.

It is an amenable number.

20203101112 is a deficient number, since it is larger than the sum of its proper divisors (17677713488).

20203101112 is a wasteful number, since it uses less digits than its factorization.

20203101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525387645 (or 2525387641 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20203101112 its reverse (21110130202), we get a palindrome (41313231314).

The spelling of 20203101112 in words is "twenty billion, two hundred three million, one hundred one thousand, one hundred twelve".