201220230 has 32 divisors (see below), whose sum is σ = 487210464. Its totient is φ = 53182976.

The previous prime is 201220223. The next prime is 201220247. The reversal of 201220230 is 32022102.

It is a super-2 number, since 2×201220230² = 80979161922505800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26289 + ... + 33068.

It is an arithmetic number, because the mean of its divisors is an integer number (15225327).

Almost surely, 2^201220230 is an apocalyptic number.

201220230 is an abundant number, since it is smaller than the sum of its proper divisors (285990234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201220230 is a wasteful number, since it uses less digits than its factorization.

201220230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59480.

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

The square root of 201220230 is about 14185.2116656749. The cubic root of 201220230 is about 585.9904617799.

Adding to 201220230 its reverse (32022102), we get a palindrome (233242332).

The spelling of 201220230 in words is "two hundred one million, two hundred twenty thousand, two hundred thirty".