20030122103 has 4 divisors (see below), whose sum is σ = 20030576088. Its totient is φ = 20029668120.

The previous prime is 20030122093. The next prime is 20030122111. The reversal of 20030122103 is 30122103002.

It is a happy number.

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 20030122103 - 2⁸ = 20030121847 is a prime.

It is a super-2 number, since 2×20030122103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030122153) 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, 152708 + ... + 251753.

It is an arithmetic number, because the mean of its divisors is an integer number (5007644022).

Almost surely, 2^20030122103 is an apocalyptic number.

20030122103 is a deficient number, since it is larger than the sum of its proper divisors (453985).

20030122103 is an equidigital number, since it uses as much as digits as its factorization.

20030122103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453984.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20030122103 its reverse (30122103002), we get a palindrome (50152225105).

The spelling of 20030122103 in words is "twenty billion, thirty million, one hundred twenty-two thousand, one hundred three".