20317027061356 has 12 divisors (see below), whose sum is σ = 35554844375568. Its totient is φ = 10158500096912.

The previous prime is 20317027061347. The next prime is 20317027061377. The reversal of 20317027061356 is 65316072071302.

It is a super-2 number, since 2×20317027061356² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549750 + ... + 6398146.

It is an arithmetic number, because the mean of its divisors is an integer number (2962903697964).

Almost surely, 2^{20317027061356} is an apocalyptic number.

It is an amenable number.

20317027061356 is a deficient number, since it is larger than the sum of its proper divisors (15237817314212).

20317027061356 is a wasteful number, since it uses less digits than its factorization.

20317027061356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6716888 (or 6716886 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 20317027061356 in words is "twenty trillion, three hundred seventeen billion, twenty-seven million, sixty-one thousand, three hundred fifty-six".