20659350246 has 12 divisors (see below), whose sum is σ = 41319404652. Its totient is φ = 6886332724.

The previous prime is 20659350227. The next prime is 20659350251. The reversal of 20659350246 is 64205395602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20659350198 and 20659350207.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 322735 + ... + 381413.

It is an arithmetic number, because the mean of its divisors is an integer number (3443283721).

Almost surely, 2^20659350246 is an apocalyptic number.

20659350246 is an abundant number, since it is smaller than the sum of its proper divisors (20660054406).

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

20659350246 is an frugal number, since it uses more digits than its factorization.

20659350246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117363 (or 58684 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 20659350246 in words is "twenty billion, six hundred fifty-nine million, three hundred fifty thousand, two hundred forty-six".