20417340683 has 16 divisors (see below), whose sum is σ = 21434818560. Its totient is φ = 19422698400.

The previous prime is 20417340673. The next prime is 20417340689. The reversal of 20417340683 is 38604371402.

It is a cyclic number.

It is not a de Polignac number, because 20417340683 - 2⁴ = 20417340667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20417340689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5003438 + ... + 5007516.

It is an arithmetic number, because the mean of its divisors is an integer number (1339676160).

Almost surely, 2^20417340683 is an apocalyptic number.

20417340683 is a deficient number, since it is larger than the sum of its proper divisors (1017477877).

20417340683 is a wasteful number, since it uses less digits than its factorization.

20417340683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 20417340683 in words is "twenty billion, four hundred seventeen million, three hundred forty thousand, six hundred eighty-three".