20003112116 has 24 divisors (see below), whose sum is σ = 38064184704. Its totient is φ = 9142570080.

The previous prime is 20003112109. The next prime is 20003112139. The reversal of 20003112116 is 61121130002.

It is a junction number, because it is equal to n+sod(n) for n = 20003112094 and 20003112103.

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, 1862000 + ... + 1872711.

It is an arithmetic number, because the mean of its divisors is an integer number (1586007696).

Almost surely, 2^20003112116 is an apocalyptic number.

20003112116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20003112116 is a deficient number, since it is larger than the sum of its proper divisors (18061072588).

20003112116 is a wasteful number, since it uses less digits than its factorization.

20003112116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3734831 (or 3734829 counting only the distinct ones).

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

Adding to 20003112116 its reverse (61121130002), we get a palindrome (81124242118).

The spelling of 20003112116 in words is "twenty billion, three million, one hundred twelve thousand, one hundred sixteen".