20214340217 has 8 divisors (see below), whose sum is σ = 21287104800. Its totient is φ = 19142460864.

The previous prime is 20214340213. The next prime is 20214340219. The reversal of 20214340217 is 71204341202.

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

It is a cyclic number.

It is not a de Polignac number, because 20214340217 - 2² = 20214340213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20214340213) 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, 174167 + ... + 266012.

It is an arithmetic number, because the mean of its divisors is an integer number (2660888100).

Almost surely, 2^20214340217 is an apocalyptic number.

It is an amenable number.

20214340217 is a deficient number, since it is larger than the sum of its proper divisors (1072764583).

20214340217 is a wasteful number, since it uses less digits than its factorization.

20214340217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442615.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 20214340217 its reverse (71204341202), we get a palindrome (91418681419).

The spelling of 20214340217 in words is "twenty billion, two hundred fourteen million, three hundred forty thousand, two hundred seventeen".