20003321112 has 32 divisors (see below), whose sum is σ = 50015370480. Its totient is φ = 6666831360.

The previous prime is 20003321101. The next prime is 20003321131. The reversal of 20003321112 is 21112330002.

It is a junction number, because it is equal to n+sod(n) for n = 20003321091 and 20003321100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126348 + ... + 236580.

Almost surely, 2^20003321112 is an apocalyptic number.

It is an amenable number.

20003321112 is an abundant number, since it is smaller than the sum of its proper divisors (30012049368).

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

20003321112 is a wasteful number, since it uses less digits than its factorization.

20003321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117803 (or 117799 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20003321112 its reverse (21112330002), we get a palindrome (41115651114).

The spelling of 20003321112 in words is "twenty billion, three million, three hundred twenty-one thousand, one hundred twelve".