20300101 has 2 divisors, whose sum is σ = 20300102. Its totient is φ = 20300100.

The previous prime is 20300089. The next prime is 20300117. The reversal of 20300101 is 10100302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18931201 + 1368900 = 4351^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 20300101 - 2¹⁷ = 20169029 is a prime.

It is a super-2 number, since 2×20300101² = 824188201220402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20300201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150050 + 10150051.

It is an arithmetic number, because the mean of its divisors is an integer number (10150051).

Almost surely, 2^20300101 is an apocalyptic number.

It is an amenable number.

20300101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20300101 is an equidigital number, since it uses as much as digits as its factorization.

20300101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 20300101 is about 4505.5633388068. The cubic root of 20300101 is about 272.7926928281.

Adding to 20300101 its reverse (10100302), we get a palindrome (30400403).

The spelling of 20300101 in words is "twenty million, three hundred thousand, one hundred one".