420202103 has 2 divisors, whose sum is σ = 420202104. Its totient is φ = 420202102.

The previous prime is 420202093. The next prime is 420202121. The reversal of 420202103 is 301202024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420202103 - 2¹² = 420198007 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420202163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210101051 + 210101052.

It is an arithmetic number, because the mean of its divisors is an integer number (210101052).

Almost surely, 2^420202103 is an apocalyptic number.

420202103 is a deficient number, since it is larger than the sum of its proper divisors (1).

420202103 is an equidigital number, since it uses as much as digits as its factorization.

420202103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 420202103 is about 20498.8317471996. The cubic root of 420202103 is about 749.0073403784.

Adding to 420202103 its reverse (301202024), we get a palindrome (721404127).

The spelling of 420202103 in words is "four hundred twenty million, two hundred two thousand, one hundred three".