220236894379 has 2 divisors, whose sum is σ = 220236894380. Its totient is φ = 220236894378.

The previous prime is 220236894373. The next prime is 220236894439. The reversal of 220236894379 is 973498632022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220236894379 - 2⁵ = 220236894347 is a prime.

It is not a weakly prime, because it can be changed into another prime (220236894373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110118447189 + 110118447190.

It is an arithmetic number, because the mean of its divisors is an integer number (110118447190).

Almost surely, 2^220236894379 is an apocalyptic number.

220236894379 is a deficient number, since it is larger than the sum of its proper divisors (1).

220236894379 is an equidigital number, since it uses as much as digits as its factorization.

220236894379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 220236894379 in words is "two hundred twenty billion, two hundred thirty-six million, eight hundred ninety-four thousand, three hundred seventy-nine".