20650665062 has 8 divisors (see below), whose sum is σ = 30978448392. Its totient is φ = 10324515600.

The previous prime is 20650665053. The next prime is 20650665151. The reversal of 20650665062 is 26056605602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20650665062³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376364 + ... + 427727.

It is an arithmetic number, because the mean of its divisors is an integer number (3872306049).

Almost surely, 2^20650665062 is an apocalyptic number.

20650665062 is a deficient number, since it is larger than the sum of its proper divisors (10327783330).

20650665062 is a wasteful number, since it uses less digits than its factorization.

20650665062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816934.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 20650665062 in words is "twenty billion, six hundred fifty million, six hundred sixty-five thousand, sixty-two".