20459026 has 8 divisors (see below), whose sum is σ = 35072640. Its totient is φ = 8768148.

The previous prime is 20458981. The next prime is 20459027. The reversal of 20459026 is 62095402.

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

It is a junction number, because it is equal to n+sod(n) for n = 20458985 and 20459003.

It is not an unprimeable number, because it can be changed into a prime (20459027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730666 + ... + 730693.

It is an arithmetic number, because the mean of its divisors is an integer number (4384080).

Almost surely, 2^20459026 is an apocalyptic number.

20459026 is a deficient number, since it is larger than the sum of its proper divisors (14613614).

20459026 is a wasteful number, since it uses less digits than its factorization.

20459026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461368.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 20459026 is about 4523.1654844810. The cubic root of 20459026 is about 273.5027210364.

The spelling of 20459026 in words is "twenty million, four hundred fifty-nine thousand, twenty-six".