20112033103 has 4 divisors (see below), whose sum is σ = 20452915080. Its totient is φ = 19771151128.

The previous prime is 20112033089. The next prime is 20112033127. The reversal of 20112033103 is 30133021102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30133021102 = 2 ⋅15066510551.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20112033103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112033163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170440900 + ... + 170441017.

It is an arithmetic number, because the mean of its divisors is an integer number (5113228770).

Almost surely, 2^20112033103 is an apocalyptic number.

20112033103 is a deficient number, since it is larger than the sum of its proper divisors (340881977).

20112033103 is an equidigital number, since it uses as much as digits as its factorization.

20112033103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340881976.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20112033103 its reverse (30133021102), we get a palindrome (50245054205).

The spelling of 20112033103 in words is "twenty billion, one hundred twelve million, thirty-three thousand, one hundred three".