20011313296 has 20 divisors (see below), whose sum is σ = 41754375292. Its totient is φ = 9235990656.

The previous prime is 20011313291. The next prime is 20011313299. The reversal of 20011313296 is 69231311002.

It can be written as a sum of positive squares in 2 ways, for example, as 4793623696 + 15217689600 = 69236^2 + 123360^2 .

It is not an unprimeable number, because it can be changed into a prime (20011313291) 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, 48103911 + ... + 48104326.

Almost surely, 2^20011313296 is an apocalyptic number.

20011313296 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20011313296 is an abundant number, since it is smaller than the sum of its proper divisors (21743061996).

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

20011313296 is a wasteful number, since it uses less digits than its factorization.

20011313296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96208258 (or 96208252 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

Adding to 20011313296 its reverse (69231311002), we get a palindrome (89242624298).

The spelling of 20011313296 in words is "twenty billion, eleven million, three hundred thirteen thousand, two hundred ninety-six".