20344536606650 has 48 divisors (see below), whose sum is σ = 40745867633280. Its totient is φ = 7529304057600.

The previous prime is 20344536606607. The next prime is 20344536606661. The reversal of 20344536606650 is 5660663544302.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202786706 + ... + 202887005.

It is an arithmetic number, because the mean of its divisors is an integer number (848872242360).

Almost surely, 2^{20344536606650} is an apocalyptic number.

20344536606650 is an abundant number, since it is smaller than the sum of its proper divisors (20401331026630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20344536606650 is a wasteful number, since it uses less digits than its factorization.

20344536606650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405673799 (or 405673794 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 20344536606650 in words is "twenty trillion, three hundred forty-four billion, five hundred thirty-six million, six hundred six thousand, six hundred fifty".