20685068214 has 16 divisors (see below), whose sum is σ = 42332233152. Its totient is φ = 6734673288.

The previous prime is 20685068207. The next prime is 20685068221. The reversal of 20685068214 is 41286058602.

It is an interprime number because it is at equal distance from previous prime (20685068207) and next prime (20685068221).

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 7 ways as a sum of consecutive naturals, for example, 40087084 + ... + 40087599.

It is an arithmetic number, because the mean of its divisors is an integer number (2645764572).

Almost surely, 2^20685068214 is an apocalyptic number.

20685068214 is an abundant number, since it is smaller than the sum of its proper divisors (21647164938).

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

20685068214 is a wasteful number, since it uses less digits than its factorization.

20685068214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80174731.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 20685068214 in words is "twenty billion, six hundred eighty-five million, sixty-eight thousand, two hundred fourteen".