133000220 has 12 divisors (see below), whose sum is σ = 279300504. Its totient is φ = 53200080.

The previous prime is 133000211. The next prime is 133000229. The reversal of 133000220 is 22000331.

It is an interprime number because it is at equal distance from previous prime (133000211) and next prime (133000229).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000229) 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, 3324986 + ... + 3325025.

It is an arithmetic number, because the mean of its divisors is an integer number (23275042).

Almost surely, 2^133000220 is an apocalyptic number.

133000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133000220 is an abundant number, since it is smaller than the sum of its proper divisors (146300284).

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

133000220 is a wasteful number, since it uses less digits than its factorization.

133000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6650020 (or 6650018 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 133000220 is about 11532.5721328765. The cubic root of 133000220 is about 510.4471536494.

Adding to 133000220 its reverse (22000331), we get a palindrome (155000551).

The spelling of 133000220 in words is "one hundred thirty-three million, two hundred twenty", and thus it is an aban number.