20411826 has 16 divisors (see below), whose sum is σ = 42140928. Its totient is φ = 6584400.

The previous prime is 20411801. The next prime is 20411843. The reversal of 20411826 is 62811402.

It is a junction number, because it is equal to n+sod(n) for n = 20411796 and 20411805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54685 + ... + 55056.

It is an arithmetic number, because the mean of its divisors is an integer number (2633808).

Almost surely, 2^20411826 is an apocalyptic number.

20411826 is an abundant number, since it is smaller than the sum of its proper divisors (21729102).

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

20411826 is a wasteful number, since it uses less digits than its factorization.

20411826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109777.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 20411826 is about 4517.9448867820. The cubic root of 20411826 is about 273.2922309139.

The spelling of 20411826 in words is "twenty million, four hundred eleven thousand, eight hundred twenty-six".