20013303313232 has 80 divisors (see below), whose sum is σ = 41609899920960. Its totient is φ = 9297404199936.

The previous prime is 20013303313189. The next prime is 20013303313259. The reversal of 20013303313232 is 23231330331002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561998 + ... + 6351570.

It is an arithmetic number, because the mean of its divisors is an integer number (520123749012).

Almost surely, 2^{20013303313232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20013303313232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20804949960480).

20013303313232 is an abundant number, since it is smaller than the sum of its proper divisors (21596596607728).

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

20013303313232 is a wasteful number, since it uses less digits than its factorization.

20013303313232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789820 (or 5789814 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 20013303313232 its reverse (23231330331002), we get a palindrome (43244633644234).

The spelling of 20013303313232 in words is "twenty trillion, thirteen billion, three hundred three million, three hundred thirteen thousand, two hundred thirty-two".