20103111304 has 16 divisors (see below), whose sum is σ = 37919044800. Its totient is φ = 9991366032.

The previous prime is 20103111289. The next prime is 20103111341. The reversal of 20103111304 is 40311130102.

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, 7522284 + ... + 7524955.

It is an arithmetic number, because the mean of its divisors is an integer number (2369940300).

Almost surely, 2^20103111304 is an apocalyptic number.

It is an amenable number.

20103111304 is a deficient number, since it is larger than the sum of its proper divisors (17815933496).

20103111304 is a wasteful number, since it uses less digits than its factorization.

20103111304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15047412 (or 15047408 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20103111304 its reverse (40311130102), we get a palindrome (60414241406).

The spelling of 20103111304 in words is "twenty billion, one hundred three million, one hundred eleven thousand, three hundred four".