203020201 has 8 divisors (see below), whose sum is σ = 205408008. Its totient is φ = 200640000.

The previous prime is 203020199. The next prime is 203020211. The reversal of 203020201 is 102020302.

It can be written as a sum of positive squares in 4 ways, for example, as 171086400 + 31933801 = 13080^2 + 5651^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203020201 - 2¹ = 203020199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203020211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65241 + ... + 68281.

It is an arithmetic number, because the mean of its divisors is an integer number (25676001).

Almost surely, 2^203020201 is an apocalyptic number.

It is an amenable number.

203020201 is a deficient number, since it is larger than the sum of its proper divisors (2387807).

203020201 is a wasteful number, since it uses less digits than its factorization.

203020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 203020201 is about 14248.5157472629. The cubic root of 203020201 is about 587.7325601704.

Adding to 203020201 its reverse (102020302), we get a palindrome (305040503).

The spelling of 203020201 in words is "two hundred three million, twenty thousand, two hundred one".