133300220 has 12 divisors (see below), whose sum is σ = 279930504. Its totient is φ = 53320080.

The previous prime is 133300207. The next prime is 133300243. The reversal of 133300220 is 22003331.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 133300195 and 133300204.

It is a congruent 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, 3332486 + ... + 3332525.

It is an arithmetic number, because the mean of its divisors is an integer number (23327542).

Almost surely, 2^133300220 is an apocalyptic number.

133300220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133300220 is an abundant number, since it is smaller than the sum of its proper divisors (146630284).

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

133300220 is a wasteful number, since it uses less digits than its factorization.

133300220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665020 (or 6665018 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 133300220 is about 11545.5714453638. The cubic root of 133300220 is about 510.8306596614.

Adding to 133300220 its reverse (22003331), we get a palindrome (155303551).

The spelling of 133300220 in words is "one hundred thirty-three million, three hundred thousand, two hundred twenty".