223201236220 has 24 divisors (see below), whose sum is σ = 468923603904. Its totient is φ = 89242207296.

The previous prime is 223201236197. The next prime is 223201236221. The reversal of 223201236220 is 22632102322.

It is a happy number.

It is a super-3 number, since 3×223201236220³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223201236221) 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, 2345124 + ... + 2438443.

It is an arithmetic number, because the mean of its divisors is an integer number (19538483496).

Almost surely, 2^223201236220 is an apocalyptic number.

223201236220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223201236220 is an abundant number, since it is smaller than the sum of its proper divisors (245722367684).

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

223201236220 is a wasteful number, since it uses less digits than its factorization.

223201236220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785909 (or 4785907 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 223201236220 its reverse (22632102322), we get a palindrome (245833338542).

The spelling of 223201236220 in words is "two hundred twenty-three billion, two hundred one million, two hundred thirty-six thousand, two hundred twenty".