201448220 has 24 divisors (see below), whose sum is σ = 423317664. Its totient is φ = 80526656.

The previous prime is 201448217. The next prime is 201448223. The reversal of 201448220 is 22844102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (201448217) and next prime (201448223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201448223) 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, 46382 + ... + 50538.

It is an arithmetic number, because the mean of its divisors is an integer number (17638236).

Almost surely, 2^201448220 is an apocalyptic number.

201448220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201448220 is an abundant number, since it is smaller than the sum of its proper divisors (221869444).

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

201448220 is a wasteful number, since it uses less digits than its factorization.

201448220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589 (or 6587 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 201448220 is about 14193.2455766819. The cubic root of 201448220 is about 586.2116945708.

The spelling of 201448220 in words is "two hundred one million, four hundred forty-eight thousand, two hundred twenty".