133220300 has 36 divisors (see below), whose sum is σ = 289616880. Its totient is φ = 53190720.

The previous prime is 133220293. The next prime is 133220327. The reversal of 133220300 is 3022331.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82097 + ... + 83703.

Almost surely, 2^133220300 is an apocalyptic number.

133220300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133220300 is an abundant number, since it is smaller than the sum of its proper divisors (156396580).

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

133220300 is a wasteful number, since it uses less digits than its factorization.

133220300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2443 counting only the distinct ones).

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

The square root of 133220300 is about 11542.1098591202. The cubic root of 133220300 is about 510.7285499324.

Adding to 133220300 its reverse (3022331), we get a palindrome (136242631).

The spelling of 133220300 in words is "one hundred thirty-three million, two hundred twenty thousand, three hundred".