220512283 has 2 divisors, whose sum is σ = 220512284. Its totient is φ = 220512282.

The previous prime is 220512217. The next prime is 220512289. The reversal of 220512283 is 382215022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220512283 is a prime.

It is not a weakly prime, because it can be changed into another prime (220512289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110256141 + 110256142.

It is an arithmetic number, because the mean of its divisors is an integer number (110256142).

Almost surely, 2^220512283 is an apocalyptic number.

220512283 is a deficient number, since it is larger than the sum of its proper divisors (1).

220512283 is an equidigital number, since it uses as much as digits as its factorization.

220512283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 220512283 is about 14849.6559892814. The cubic root of 220512283 is about 604.1492794700.

The spelling of 220512283 in words is "two hundred twenty million, five hundred twelve thousand, two hundred eighty-three".