20011103210996 has 12 divisors (see below), whose sum is σ = 35019528862500. Its totient is φ = 10005523536000.

The previous prime is 20011103210929. The next prime is 20011103211061. The reversal of 20011103210996 is 69901230111002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5308019719396 + 14703083491600 = 2303914^2 + 3834460^2 .

It is a super-2 number, since 2×20011103210996² (a number of 27 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5370371 + ... + 8298378.

It is an arithmetic number, because the mean of its divisors is an integer number (2918294071875).

Almost surely, 2^{20011103210996} is an apocalyptic number.

It is an amenable number.

20011103210996 is a deficient number, since it is larger than the sum of its proper divisors (15008425651504).

20011103210996 is a wasteful number, since it uses less digits than its factorization.

20011103210996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14034754 (or 14034752 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 35.

Adding to 20011103210996 its reverse (69901230111002), we get a palindrome (89912333321998).

The spelling of 20011103210996 in words is "twenty trillion, eleven billion, one hundred three million, two hundred ten thousand, nine hundred ninety-six".