20830126 has 12 divisors (see below), whose sum is σ = 31522392. Its totient is φ = 10323324.

The previous prime is 20830067. The next prime is 20830133. The reversal of 20830126 is 62103802.

It is a junction number, because it is equal to n+sod(n) for n = 20830097 and 20830106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79071 + ... + 79333.

It is an arithmetic number, because the mean of its divisors is an integer number (2626866).

Almost surely, 2^20830126 is an apocalyptic number.

20830126 is a deficient number, since it is larger than the sum of its proper divisors (10692266).

20830126 is an equidigital number, since it uses as much as digits as its factorization.

20830126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 20830126 is about 4564.0032865895. The cubic root of 20830126 is about 275.1464828414.

Adding to 20830126 its reverse (62103802), we get a palindrome (82933928).

The spelling of 20830126 in words is "twenty million, eight hundred thirty thousand, one hundred twenty-six".