20650337464 has 32 divisors (see below), whose sum is σ = 39309947280. Its totient is φ = 10167784704.

The previous prime is 20650337453. The next prime is 20650337467. The reversal of 20650337464 is 46473305602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20650337467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3318484 + ... + 3324700.

Almost surely, 2^20650337464 is an apocalyptic number.

It is an amenable number.

20650337464 is a deficient number, since it is larger than the sum of its proper divisors (18659609816).

20650337464 is a wasteful number, since it uses less digits than its factorization.

20650337464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487 (or 12483 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 20650337464 in words is "twenty billion, six hundred fifty million, three hundred thirty-seven thousand, four hundred sixty-four".