20346311354650 has 48 divisors (see below), whose sum is σ = 39871410789600. Its totient is φ = 7703315040960.

The previous prime is 20346311354609. The next prime is 20346311354687. The reversal of 20346311354650 is 5645311364302.

It is a junction number, because it is equal to n+sod(n) for n = 20346311354597 and 20346311354606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8468845 + ... + 10602544.

It is an arithmetic number, because the mean of its divisors is an integer number (830654391450).

Almost surely, 2^{20346311354650} is an apocalyptic number.

20346311354650 is a deficient number, since it is larger than the sum of its proper divisors (19525099434950).

20346311354650 is a wasteful number, since it uses less digits than its factorization.

20346311354650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19072543 (or 19072538 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 43.

It can be divided in two parts, 2034631 and 1354650, that added together give a square (3389281 = 1841²).

The spelling of 20346311354650 in words is "twenty trillion, three hundred forty-six billion, three hundred eleven million, three hundred fifty-four thousand, six hundred fifty".