20124322103 has 4 divisors (see below), whose sum is σ = 20124936960. Its totient is φ = 20123707248.

The previous prime is 20124322087. The next prime is 20124322109. The reversal of 20124322103 is 30122342102.

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 20124322103 - 2⁴ = 20124322087 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 (20124322109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255398 + ... + 324771.

It is an arithmetic number, because the mean of its divisors is an integer number (5031234240).

Almost surely, 2^20124322103 is an apocalyptic number.

20124322103 is a deficient number, since it is larger than the sum of its proper divisors (614857).

20124322103 is an equidigital number, since it uses as much as digits as its factorization.

20124322103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614856.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20124322103 its reverse (30122342102), we get a palindrome (50246664205).

The spelling of 20124322103 in words is "twenty billion, one hundred twenty-four million, three hundred twenty-two thousand, one hundred three".