20335201 has 2 divisors, whose sum is σ = 20335202. Its totient is φ = 20335200.

The previous prime is 20335193. The next prime is 20335219. The reversal of 20335201 is 10253302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17181025 + 3154176 = 4145^2 + 1776^2 .

It is a cyclic number.

It is not a de Polignac number, because 20335201 - 2³ = 20335193 is a prime.

It is not a weakly prime, because it can be changed into another prime (20335501) 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, 10167600 + 10167601.

It is an arithmetic number, because the mean of its divisors is an integer number (10167601).

Almost surely, 2^20335201 is an apocalyptic number.

It is an amenable number.

20335201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20335201 is an equidigital number, since it uses as much as digits as its factorization.

20335201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20335201 is about 4509.4568409067. The cubic root of 20335201 is about 272.9498268612.

Adding to 20335201 its reverse (10253302), we get a palindrome (30588503).

The spelling of 20335201 in words is "twenty million, three hundred thirty-five thousand, two hundred one".