201220203 has 8 divisors (see below), whose sum is σ = 282414400. Its totient is φ = 127086408.

The previous prime is 201220199. The next prime is 201220223. The reversal of 201220203 is 302022102.

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

It is not a de Polignac number, because 201220203 - 2² = 201220199 is a prime.

It is a super-2 number, since 2×201220203² = 80979140190722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201220223) 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 in 7 ways as a sum of consecutive naturals, for example, 1765033 + ... + 1765146.

It is an arithmetic number, because the mean of its divisors is an integer number (35301800).

Almost surely, 2^201220203 is an apocalyptic number.

201220203 is a deficient number, since it is larger than the sum of its proper divisors (81194197).

201220203 is a wasteful number, since it uses less digits than its factorization.

201220203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530201.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 201220203 is about 14185.2107139795. The cubic root of 201220203 is about 585.9904355702.

Adding to 201220203 its reverse (302022102), we get a palindrome (503242305).

The spelling of 201220203 in words is "two hundred one million, two hundred twenty thousand, two hundred three".