20002220347 has 2 divisors, whose sum is σ = 20002220348. Its totient is φ = 20002220346.

The previous prime is 20002220291. The next prime is 20002220351. The reversal of 20002220347 is 74302220002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002220347 - 2³¹ = 17854736699 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002220747) 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, 10001110173 + 10001110174.

It is an arithmetic number, because the mean of its divisors is an integer number (10001110174).

Almost surely, 2^20002220347 is an apocalyptic number.

20002220347 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002220347 is an equidigital number, since it uses as much as digits as its factorization.

20002220347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

Adding to 20002220347 its reverse (74302220002), we get a palindrome (94304440349).

The spelling of 20002220347 in words is "twenty billion, two million, two hundred twenty thousand, three hundred forty-seven".