20513342722116 has 36 divisors (see below), whose sum is σ = 50845644195248. Its totient is φ = 6435558499968.

The previous prime is 20513342722111. The next prime is 20513342722207. The reversal of 20513342722116 is 61122724331502.

It is not an unprimeable number, because it can be changed into a prime (20513342722111) by changing a digit.

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, 2957514226 + ... + 2957521161.

Almost surely, 2^{20513342722116} is an apocalyptic number.

It is an amenable number.

20513342722116 is an abundant number, since it is smaller than the sum of its proper divisors (30332301473132).

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

20513342722116 is a wasteful number, since it uses less digits than its factorization.

20513342722116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915035428 (or 5915035409 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 20513342722116 in words is "twenty trillion, five hundred thirteen billion, three hundred forty-two million, seven hundred twenty-two thousand, one hundred sixteen".