20830206418 has 16 divisors (see below), whose sum is σ = 35936374464. Its totient is φ = 8870369040.

The previous prime is 20830206413. The next prime is 20830206451. The reversal of 20830206418 is 81460203802.

It is not an unprimeable number, because it can be changed into a prime (20830206413) by changing a digit.

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, 4736248 + ... + 4740643.

It is an arithmetic number, because the mean of its divisors is an integer number (2246023404).

Almost surely, 2^20830206418 is an apocalyptic number.

20830206418 is a deficient number, since it is larger than the sum of its proper divisors (15106168046).

20830206418 is a wasteful number, since it uses less digits than its factorization.

20830206418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9477057.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 20830206418 in words is "twenty billion, eight hundred thirty million, two hundred six thousand, four hundred eighteen".