20322103 has 2 divisors, whose sum is σ = 20322104. Its totient is φ = 20322102.

The previous prime is 20322083. The next prime is 20322119. The reversal of 20322103 is 30122302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20322163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161051 + 10161052.

It is an arithmetic number, because the mean of its divisors is an integer number (10161052).

Almost surely, 2^20322103 is an apocalyptic number.

20322103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20322103 is an equidigital number, since it uses as much as digits as its factorization.

20322103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20322103 is about 4508.0043256412. The cubic root of 20322103 is about 272.8912115126.

Adding to 20322103 its reverse (30122302), we get a palindrome (50444405).

The spelling of 20322103 in words is "twenty million, three hundred twenty-two thousand, one hundred three".