20033320132 has 36 divisors (see below), whose sum is σ = 43181071164. Its totient is φ = 8080665600.

The previous prime is 20033320127. The next prime is 20033320157. The reversal of 20033320132 is 23102333002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8475780096 + 11557540036 = 92064^2 + 107506^2 .

It is a super-2 number, since 2×20033320132² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3002869 + ... + 3009532.

It is an arithmetic number, because the mean of its divisors is an integer number (1199474199).

Almost surely, 2^20033320132 is an apocalyptic number.

It is an amenable number.

20033320132 is an abundant number, since it is smaller than the sum of its proper divisors (23147751032).

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

20033320132 is a wasteful number, since it uses less digits than its factorization.

20033320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012436 (or 6012427 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20033320132 its reverse (23102333002), we get a palindrome (43135653134).

The spelling of 20033320132 in words is "twenty billion, thirty-three million, three hundred twenty thousand, one hundred thirty-two".