133033210020 has 72 divisors (see below), whose sum is σ = 409061974776. Its totient is φ = 34989553152.

The previous prime is 133033210019. The next prime is 133033210097. The reversal of 133033210020 is 20012330331.

133033210020 is a `hidden beast` number, since 1 + 330 + 332 + 1 + 0 + 0 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3748378176 + 129284831844 = 61224^2 + 359562^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 133033209975 and 133033210002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5049007 + ... + 5075286.

Almost surely, 2^133033210020 is an apocalyptic number.

133033210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133033210020 is an abundant number, since it is smaller than the sum of its proper divisors (276028764756).

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

133033210020 is a wasteful number, since it uses less digits than its factorization.

133033210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124381 (or 10124376 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 133033210020 its reverse (20012330331), we get a palindrome (153045540351).

The spelling of 133033210020 in words is "one hundred thirty-three billion, thirty-three million, two hundred ten thousand, twenty".