20203021112 has 16 divisors (see below), whose sum is σ = 38255722200. Its totient is φ = 10001495200.

The previous prime is 20203021109. The next prime is 20203021169. The reversal of 20203021112 is 21112030202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12501062 + ... + 12502677.

Almost surely, 2^20203021112 is an apocalyptic number.

It is an amenable number.

20203021112 is a deficient number, since it is larger than the sum of its proper divisors (18052701088).

20203021112 is a wasteful number, since it uses less digits than its factorization.

20203021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25003846 (or 25003842 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20203021112 its reverse (21112030202), we get a palindrome (41315051314).

The spelling of 20203021112 in words is "twenty billion, two hundred three million, twenty-one thousand, one hundred twelve".