20685483514 has 8 divisors (see below), whose sum is σ = 31866826068. Its totient is φ = 10063208160.

The previous prime is 20685483461. The next prime is 20685483523. The reversal of 20685483514 is 41538458602.

It can be written as a sum of positive squares in 2 ways, for example, as 20327630625 + 357852889 = 142575^2 + 18917^2 .

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

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, 139766707 + ... + 139766854.

Almost surely, 2^20685483514 is an apocalyptic number.

20685483514 is a deficient number, since it is larger than the sum of its proper divisors (11181342554).

20685483514 is a wasteful number, since it uses less digits than its factorization.

20685483514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279533600.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 20685483514 in words is "twenty billion, six hundred eighty-five million, four hundred eighty-three thousand, five hundred fourteen".