20311001353616 has 40 divisors (see below), whose sum is σ = 39421503987264. Its totient is φ = 10137711678080.

The previous prime is 20311001353607. The next prime is 20311001353633. The reversal of 20311001353616 is 61635310011302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268864586 + ... + 268940118.

Almost surely, 2^{20311001353616} is an apocalyptic number.

It is an amenable number.

20311001353616 is a deficient number, since it is larger than the sum of its proper divisors (19110502633648).

20311001353616 is a wasteful number, since it uses less digits than its factorization.

20311001353616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104759 (or 104753 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

Adding to 20311001353616 its reverse (61635310011302), we get a palindrome (81946311364918).

The spelling of 20311001353616 in words is "twenty trillion, three hundred eleven billion, one million, three hundred fifty-three thousand, six hundred sixteen".