20350103 has 4 divisors (see below), whose sum is σ = 20695080. Its totient is φ = 20005128.

The previous prime is 20350093. The next prime is 20350123. The reversal of 20350103 is 30105302.

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 20350103 - 2⁴ = 20350087 is a prime.

It is a super-2 number, since 2×20350103² = 828253384221218, which 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 (20350123) 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, 172400 + ... + 172517.

It is an arithmetic number, because the mean of its divisors is an integer number (5173770).

Almost surely, 2^20350103 is an apocalyptic number.

20350103 is a deficient number, since it is larger than the sum of its proper divisors (344977).

20350103 is an equidigital number, since it uses as much as digits as its factorization.

20350103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344976.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 20350103 is about 4511.1088437323. The cubic root of 20350103 is about 273.0164847573.

Adding to 20350103 its reverse (30105302), we get a palindrome (50455405).

The spelling of 20350103 in words is "twenty million, three hundred fifty thousand, one hundred three".