205420441319 has 16 divisors (see below), whose sum is σ = 213179366400. Its totient is φ = 197734824000.

The previous prime is 205420441309. The next prime is 205420441321. The reversal of 205420441319 is 913144024502.

It is a cyclic number.

It is not a de Polignac number, because 205420441319 - 2⁸ = 205420441063 is a prime.

It is a super-2 number, since 2×205420441319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205420441309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4953332 + ... + 4994630.

It is an arithmetic number, because the mean of its divisors is an integer number (13323710400).

Almost surely, 2^205420441319 is an apocalyptic number.

205420441319 is a deficient number, since it is larger than the sum of its proper divisors (7758925081).

205420441319 is a wasteful number, since it uses less digits than its factorization.

205420441319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42182.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 205420441319 in words is "two hundred five billion, four hundred twenty million, four hundred forty-one thousand, three hundred nineteen".