20136014212656 has 80 divisors (see below), whose sum is σ = 52613362529280. Its totient is φ = 6635219627520.

The previous prime is 20136014212637. The next prime is 20136014212667. The reversal of 20136014212656 is 65621241063102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20325081 + ... + 21292743.

It is an arithmetic number, because the mean of its divisors is an integer number (657667031616).

Almost surely, 2^{20136014212656} 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 20136014212656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26306681264640).

20136014212656 is an abundant number, since it is smaller than the sum of its proper divisors (32477348316624).

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

20136014212656 is a wasteful number, since it uses less digits than its factorization.

20136014212656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972634 (or 972628 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 20136014212656 its reverse (65621241063102), we get a palindrome (85757255275758).

The spelling of 20136014212656 in words is "twenty trillion, one hundred thirty-six billion, fourteen million, two hundred twelve thousand, six hundred fifty-six".