20767314365501 has 32 divisors (see below), whose sum is σ = 23066328960000. Its totient is φ = 18538694254080.

The previous prime is 20767314365467. The next prime is 20767314365519. The reversal of 20767314365501 is 10556341376702.

It is a de Polignac number, because none of the positive numbers 2^k-20767314365501 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20767314365501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20767314365401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297069650 + ... + 297139548.

It is an arithmetic number, because the mean of its divisors is an integer number (720822780000).

Almost surely, 2^{20767314365501} is an apocalyptic number.

It is an amenable number.

20767314365501 is a deficient number, since it is larger than the sum of its proper divisors (2299014594499).

20767314365501 is a wasteful number, since it uses less digits than its factorization.

20767314365501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71249.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 20767314365501 in words is "twenty trillion, seven hundred sixty-seven billion, three hundred fourteen million, three hundred sixty-five thousand, five hundred one".