133372020 has 48 divisors (see below), whose sum is σ = 393099840. Its totient is φ = 33693696.

The previous prime is 133372003. The next prime is 133372027. The reversal of 133372020 is 20273331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133372027) 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, 57357 + ... + 59636.

It is an arithmetic number, because the mean of its divisors is an integer number (8189580).

Almost surely, 2^133372020 is an apocalyptic number.

133372020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133372020 is an abundant number, since it is smaller than the sum of its proper divisors (259727820).

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

133372020 is a wasteful number, since it uses less digits than its factorization.

133372020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117024 (or 117022 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 133372020 is about 11548.6804441027. The cubic root of 133372020 is about 510.9223600803.

The spelling of 133372020 in words is "one hundred thirty-three million, three hundred seventy-two thousand, twenty".