133200020 has 48 divisors (see below), whose sum is σ = 286856640. Its totient is φ = 51938304.

The previous prime is 133200019. The next prime is 133200029. The reversal of 133200020 is 20002331.

It is a junction number, because it is equal to n+sod(n) for n = 133199974 and 133200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133200029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142916 + ... + 143844.

It is an arithmetic number, because the mean of its divisors is an integer number (5976180).

Almost surely, 2^133200020 is an apocalyptic number.

133200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133200020 is an abundant number, since it is smaller than the sum of its proper divisors (153656620).

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

133200020 is a wasteful number, since it uses less digits than its factorization.

133200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1110 counting only the distinct ones).

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

The square root of 133200020 is about 11541.2313034615. The cubic root of 133200020 is about 510.7026327095.

Adding to 133200020 its reverse (20002331), we get a palindrome (153202351).

The spelling of 133200020 in words is "one hundred thirty-three million, two hundred thousand, twenty".