220003879 has 2 divisors, whose sum is σ = 220003880. Its totient is φ = 220003878.

The previous prime is 220003873. The next prime is 220003921. The reversal of 220003879 is 978300022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220003879 - 2¹⁹ = 219479591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220003879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220003873) 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, 110001939 + 110001940.

It is an arithmetic number, because the mean of its divisors is an integer number (110001940).

Almost surely, 2^220003879 is an apocalyptic number.

220003879 is a deficient number, since it is larger than the sum of its proper divisors (1).

220003879 is an equidigital number, since it uses as much as digits as its factorization.

220003879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 220003879 is about 14832.5277346783. The cubic root of 220003879 is about 603.6846216572.

The spelling of 220003879 in words is "two hundred twenty million, three thousand, eight hundred seventy-nine".