133200220 has 12 divisors (see below), whose sum is σ = 279720504. Its totient is φ = 53280080.

The previous prime is 133200217. The next prime is 133200227. The reversal of 133200220 is 22002331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133200220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133200227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329986 + ... + 3330025.

It is an arithmetic number, because the mean of its divisors is an integer number (23310042).

Almost surely, 2^133200220 is an apocalyptic number.

133200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133200220 is an abundant number, since it is smaller than the sum of its proper divisors (146520284).

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

133200220 is a wasteful number, since it uses less digits than its factorization.

133200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6660020 (or 6660018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 133200220 is about 11541.2399680450. The cubic root of 133200220 is about 510.7028883163.

Adding to 133200220 its reverse (22002331), we get a palindrome (155202551).

The spelling of 133200220 in words is "one hundred thirty-three million, two hundred thousand, two hundred twenty".