220805833 has 2 divisors, whose sum is σ = 220805834. Its totient is φ = 220805832.

The previous prime is 220805743. The next prime is 220805857. The reversal of 220805833 is 338508022.

220805833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143928009 + 76877824 = 11997^2 + 8768^2 .

It is a cyclic number.

It is not a de Polignac number, because 220805833 - 2¹³ = 220797641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220805795 and 220805804.

It is not a weakly prime, because it can be changed into another prime (220805863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110402916 + 110402917.

It is an arithmetic number, because the mean of its divisors is an integer number (110402917).

Almost surely, 2^220805833 is an apocalyptic number.

It is an amenable number.

220805833 is a deficient number, since it is larger than the sum of its proper divisors (1).

220805833 is an equidigital number, since it uses as much as digits as its factorization.

220805833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 220805833 is about 14859.5367693613. The cubic root of 220805833 is about 604.4172454693.

The spelling of 220805833 in words is "two hundred twenty million, eight hundred five thousand, eight hundred thirty-three".