20116761340272 has 40 divisors (see below), whose sum is σ = 52287124076544. Its totient is φ = 6664448539584.

The previous prime is 20116761340211. The next prime is 20116761340279. The reversal of 20116761340272 is 27204316761102.

It is a super-2 number, since 2×20116761340272² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116761340279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285572528 + ... + 1285588175.

Almost surely, 2^{20116761340272} is an apocalyptic number.

It is an amenable number.

20116761340272 is an abundant number, since it is smaller than the sum of its proper divisors (32170362736272).

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

20116761340272 is a wasteful number, since it uses less digits than its factorization.

20116761340272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571160877 (or 2571160871 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 20116761340272 in words is "twenty trillion, one hundred sixteen billion, seven hundred sixty-one million, three hundred forty thousand, two hundred seventy-two".