20714479389 has 12 divisors (see below), whose sum is σ = 30428049600. Its totient is φ = 13575590664.

The previous prime is 20714479367. The next prime is 20714479393. The reversal of 20714479389 is 98397441702.

20714479389 is a `hidden beast` number, since 20 + 71 + 4 + 479 + 3 + 89 = 666.

It is not a de Polignac number, because 20714479389 - 2³³ = 12124544797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714479319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19504629 + ... + 19505690.

It is an arithmetic number, because the mean of its divisors is an integer number (2535670800).

Almost surely, 2^20714479389 is an apocalyptic number.

It is an amenable number.

20714479389 is a deficient number, since it is larger than the sum of its proper divisors (9713570211).

20714479389 is a wasteful number, since it uses less digits than its factorization.

20714479389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39010384 (or 39010381 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 20714479389 in words is "twenty billion, seven hundred fourteen million, four hundred seventy-nine thousand, three hundred eighty-nine".