133202032020 has 72 divisors (see below), whose sum is σ = 404979532776. Its totient is φ = 35438487552.

The previous prime is 133202032001. The next prime is 133202032021. The reversal of 133202032020 is 20230202331.

It is a happy number.

133202032020 is a `hidden beast` number, since 1 + 3 + 320 + 2 + 0 + 320 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27435284496 + 105766747524 = 165636^2 + 325218^2 .

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 = 133202031984 and 133202032002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133202032021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776577 + ... + 932456.

It is an arithmetic number, because the mean of its divisors is an integer number (5624715733).

Almost surely, 2^133202032020 is an apocalyptic number.

133202032020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133202032020 is an abundant number, since it is smaller than the sum of its proper divisors (271777500756).

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

133202032020 is a wasteful number, since it uses less digits than its factorization.

133202032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709481 (or 1709476 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 133202032020 its reverse (20230202331), we get a palindrome (153432234351).

The spelling of 133202032020 in words is "one hundred thirty-three billion, two hundred two million, thirty-two thousand, twenty".