20033330101 has 2 divisors, whose sum is σ = 20033330102. Its totient is φ = 20033330100.

The previous prime is 20033330099. The next prime is 20033330131. The reversal of 20033330101 is 10103333002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10537022500 + 9496307601 = 102650^2 + 97449^2 .

It is a cyclic number.

It is not a de Polignac number, because 20033330101 - 2¹ = 20033330099 is a prime.

Together with 20033330099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20033330131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10016665050 + 10016665051.

It is an arithmetic number, because the mean of its divisors is an integer number (10016665051).

Almost surely, 2^20033330101 is an apocalyptic number.

It is an amenable number.

20033330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20033330101 is an equidigital number, since it uses as much as digits as its factorization.

20033330101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 20033330101 its reverse (10103333002), we get a palindrome (30136663103).

The spelling of 20033330101 in words is "twenty billion, thirty-three million, three hundred thirty thousand, one hundred one".