20316145544356 has 24 divisors (see below), whose sum is σ = 37426301504480. Its totient is φ = 9622968625152.

The previous prime is 20316145544353. The next prime is 20316145544407. The reversal of 20316145544356 is 65344554161302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20316145544351) 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, 4937181 + ... + 8062756.

Almost surely, 2^{20316145544356} is an apocalyptic number.

It is an amenable number.

20316145544356 is a deficient number, since it is larger than the sum of its proper divisors (17110155960124).

20316145544356 is a wasteful number, since it uses less digits than its factorization.

20316145544356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13020523 (or 13020521 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 20316145544356 in words is "twenty trillion, three hundred sixteen billion, one hundred forty-five million, five hundred forty-four thousand, three hundred fifty-six".