20458126 has 12 divisors (see below), whose sum is σ = 33229872. Its totient is φ = 9442056.

The previous prime is 20458111. The next prime is 20458127. The reversal of 20458126 is 62185402.

It is a junction number, because it is equal to n+sod(n) for n = 20458094 and 20458103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20458127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29926 + ... + 30601.

It is an arithmetic number, because the mean of its divisors is an integer number (2769156).

Almost surely, 2^20458126 is an apocalyptic number.

20458126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20458126 is a deficient number, since it is larger than the sum of its proper divisors (12771746).

20458126 is a wasteful number, since it uses less digits than its factorization.

20458126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60555 (or 60542 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 20458126 is about 4523.0659955389. The cubic root of 20458126 is about 273.4987104828.

The spelling of 20458126 in words is "twenty million, four hundred fifty-eight thousand, one hundred twenty-six".