20606826 has 8 divisors (see below), whose sum is σ = 41213664. Its totient is φ = 6868940.

The previous prime is 20606813. The next prime is 20606857. The reversal of 20606826 is 62860602.

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

20606826 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20606793 and 20606802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717230 + ... + 1717241.

It is an arithmetic number, because the mean of its divisors is an integer number (5151708).

Almost surely, 2^20606826 is an apocalyptic number.

20606826 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.

20606826 is a wasteful number, since it uses less digits than its factorization.

20606826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434476.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 20606826 is about 4539.4741986270. The cubic root of 20606826 is about 274.1597537493.

The spelling of 20606826 in words is "twenty million, six hundred six thousand, eight hundred twenty-six".