20714384247 has 8 divisors (see below), whose sum is σ = 29243836656. Its totient is φ = 12997260672.

The previous prime is 20714384191. The next prime is 20714384263. The reversal of 20714384247 is 74248341702.

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

It is not a de Polignac number, because 20714384247 - 2¹⁰ = 20714383223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20714384199 and 20714384208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714384447) 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, 203082148 + ... + 203082249.

It is an arithmetic number, because the mean of its divisors is an integer number (3655479582).

Almost surely, 2^20714384247 is an apocalyptic number.

20714384247 is a deficient number, since it is larger than the sum of its proper divisors (8529452409).

20714384247 is a wasteful number, since it uses less digits than its factorization.

20714384247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406164417.

The product of its (nonzero) digits is 301056, while the sum is 42.

The spelling of 20714384247 in words is "twenty billion, seven hundred fourteen million, three hundred eighty-four thousand, two hundred forty-seven".