20003201 has 2 divisors, whose sum is σ = 20003202. Its totient is φ = 20003200.

The previous prime is 20003177. The next prime is 20003227. The reversal of 20003201 is 10230002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17631601 + 2371600 = 4199^2 + 1540^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003201 - 2¹⁴ = 19986817 is a prime.

It is not a weakly prime, because it can be changed into another prime (20003231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001600 + 10001601.

It is an arithmetic number, because the mean of its divisors is an integer number (10001601).

Almost surely, 2^20003201 is an apocalyptic number.

It is an amenable number.

20003201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003201 is an equidigital number, since it uses as much as digits as its factorization.

20003201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 20003201 is about 4472.4938233607. The cubic root of 20003201 is about 271.4562423050.

Adding to 20003201 its reverse (10230002), we get a palindrome (30233203).

The spelling of 20003201 in words is "twenty million, three thousand, two hundred one".