20031201332 has 12 divisors (see below), whose sum is σ = 35078155140. Its totient is φ = 10008871296.

The previous prime is 20031201319. The next prime is 20031201353. The reversal of 20031201332 is 23310213002.

It can be written as a sum of positive squares in 2 ways, for example, as 13306545316 + 6724656016 = 115354^2 + 82004^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20031201332.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675643 + ... + 1687554.

It is an arithmetic number, because the mean of its divisors is an integer number (2923179595).

Almost surely, 2^20031201332 is an apocalyptic number.

It is an amenable number.

20031201332 is a deficient number, since it is larger than the sum of its proper divisors (15046953808).

20031201332 is a wasteful number, since it uses less digits than its factorization.

20031201332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364690 (or 3364688 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 20031201332 its reverse (23310213002), we get a palindrome (43341414334).

The spelling of 20031201332 in words is "twenty billion, thirty-one million, two hundred one thousand, three hundred thirty-two".