201310220 has 12 divisors (see below), whose sum is σ = 422751504. Its totient is φ = 80524080.

The previous prime is 201310217. The next prime is 201310273. The reversal of 201310220 is 22013102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5032736 + ... + 5032775.

It is an arithmetic number, because the mean of its divisors is an integer number (35229292).

Almost surely, 2^201310220 is an apocalyptic number.

201310220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201310220 is an abundant number, since it is smaller than the sum of its proper divisors (221441284).

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

201310220 is a wasteful number, since it uses less digits than its factorization.

201310220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10065520 (or 10065518 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201310220 is about 14188.3832764695. The cubic root of 201310220 is about 586.0778045923.

Adding to 201310220 its reverse (22013102), we get a palindrome (223323322).

The spelling of 201310220 in words is "two hundred one million, three hundred ten thousand, two hundred twenty".