133262020 has 24 divisors (see below), whose sum is σ = 281061144. Its totient is φ = 53074176.

The previous prime is 133261987. The next prime is 133262027. The reversal of 133262020 is 20262331.

It can be written as a sum of positive squares in 4 ways, for example, as 32901696 + 100360324 = 5736^2 + 10018^2 .

It is not an unprimeable number, because it can be changed into a prime (133262027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9639 + ... + 18958.

It is an arithmetic number, because the mean of its divisors is an integer number (11710881).

Almost surely, 2^133262020 is an apocalyptic number.

133262020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133262020 is an abundant number, since it is smaller than the sum of its proper divisors (147799124).

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

133262020 is a wasteful number, since it uses less digits than its factorization.

133262020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28839 (or 28837 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 133262020 is about 11543.9170128687. The cubic root of 133262020 is about 510.7818585528.

The spelling of 133262020 in words is "one hundred thirty-three million, two hundred sixty-two thousand, twenty".