20034034103 has 4 divisors (see below), whose sum is σ = 20905079088. Its totient is φ = 19162989120.

The previous prime is 20034034063. The next prime is 20034034133. The reversal of 20034034103 is 30143043002.

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

It is not a de Polignac number, because 20034034103 - 2¹⁰ = 20034033079 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 (20034034133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435522458 + ... + 435522503.

It is an arithmetic number, because the mean of its divisors is an integer number (5226269772).

Almost surely, 2^20034034103 is an apocalyptic number.

20034034103 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20034034103 is a deficient number, since it is larger than the sum of its proper divisors (871044985).

20034034103 is an equidigital number, since it uses as much as digits as its factorization.

20034034103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871044984.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20034034103 its reverse (30143043002), we get a palindrome (50177077105).

The spelling of 20034034103 in words is "twenty billion, thirty-four million, thirty-four thousand, one hundred three".