20133012103 has 4 divisors (see below), whose sum is σ = 20134144888. Its totient is φ = 20131879320.

The previous prime is 20133012079. The next prime is 20133012139. The reversal of 20133012103 is 30121033102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20133012103 - 2⁵ = 20133012071 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 (20133012143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539301 + ... + 575422.

It is an arithmetic number, because the mean of its divisors is an integer number (5033536222).

Almost surely, 2^20133012103 is an apocalyptic number.

20133012103 is a deficient number, since it is larger than the sum of its proper divisors (1132785).

20133012103 is a wasteful number, since it uses less digits than its factorization.

20133012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132784.

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

Adding to 20133012103 its reverse (30121033102), we get a palindrome (50254045205).

The spelling of 20133012103 in words is "twenty billion, one hundred thirty-three million, twelve thousand, one hundred three".