201113220 has 192 divisors, whose sum is σ = 710664192. Its totient is φ = 41280000.

The previous prime is 201113203. The next prime is 201113221. The reversal of 201113220 is 22311102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 201113196 and 201113205.

It is not an unprimeable number, because it can be changed into a prime (201113221) 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 63 ways as a sum of consecutive naturals, for example, 466405 + ... + 466835.

It is an arithmetic number, because the mean of its divisors is an integer number (3701376).

Almost surely, 2^201113220 is an apocalyptic number.

201113220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355332096).

201113220 is an abundant number, since it is smaller than the sum of its proper divisors (509550972).

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

201113220 is a wasteful number, since it uses less digits than its factorization.

201113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201113220 is about 14181.4392781551. The cubic root of 201113220 is about 585.8865657343.

Adding to 201113220 its reverse (22311102), we get a palindrome (223424322).

The spelling of 201113220 in words is "two hundred one million, one hundred thirteen thousand, two hundred twenty".