20000133332 has 12 divisors (see below), whose sum is σ = 35001327060. Its totient is φ = 9999754176.

The previous prime is 20000133319. The next prime is 20000133337. The reversal of 20000133332 is 23333100002.

It can be written as a sum of positive squares in 2 ways, for example, as 5481329296 + 14518804036 = 74036^2 + 120494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20000133332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000133337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123968 + ... + 235304.

It is an arithmetic number, because the mean of its divisors is an integer number (2916777255).

Almost surely, 2^20000133332 is an apocalyptic number.

It is an amenable number.

20000133332 is a deficient number, since it is larger than the sum of its proper divisors (15001193728).

20000133332 is a wasteful number, since it uses less digits than its factorization.

20000133332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156250 (or 156248 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 20000133332 its reverse (23333100002), we get a palindrome (43333233334).

The spelling of 20000133332 in words is "twenty billion, one hundred thirty-three thousand, three hundred thirty-two".