20803026 has 8 divisors (see below), whose sum is σ = 41606064. Its totient is φ = 6934340.

The previous prime is 20803021. The next prime is 20803061. The reversal of 20803026 is 62030802.

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

20803026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20802993 and 20803011.

It is not an unprimeable number, because it can be changed into a prime (20803021) 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, 1733580 + ... + 1733591.

It is an arithmetic number, because the mean of its divisors is an integer number (5200758).

Almost surely, 2^20803026 is an apocalyptic number.

20803026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20803026 is a wasteful number, since it uses less digits than its factorization.

20803026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467176.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20803026 is about 4561.0334355275. The cubic root of 20803026 is about 275.0271091733.

Adding to 20803026 its reverse (62030802), we get a palindrome (82833828).

The spelling of 20803026 in words is "twenty million, eight hundred three thousand, twenty-six".