20650936012 has 12 divisors (see below), whose sum is σ = 41301872080. Its totient is φ = 8850401136.

The previous prime is 20650936003. The next prime is 20650936057. The reversal of 20650936012 is 21063905602.

20650936012 is an admirable number.

It is a super-3 number, since 3×20650936012³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 3 ways as a sum of consecutive naturals, for example, 368766687 + ... + 368766742.

Almost surely, 2^20650936012 is an apocalyptic number.

It is an amenable number.

20650936012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20650936012 is a wasteful number, since it uses less digits than its factorization.

20650936012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737533440 (or 737533438 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 20650936012 in words is "twenty billion, six hundred fifty million, nine hundred thirty-six thousand, twelve".