204220312603 has 2 divisors, whose sum is σ = 204220312604. Its totient is φ = 204220312602.

The previous prime is 204220312591. The next prime is 204220312609. The reversal of 204220312603 is 306213022402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 204220312603 - 2³³ = 195630378011 is a prime.

It is not a weakly prime, because it can be changed into another prime (204220312609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102110156301 + 102110156302.

It is an arithmetic number, because the mean of its divisors is an integer number (102110156302).

Almost surely, 2^204220312603 is an apocalyptic number.

204220312603 is a deficient number, since it is larger than the sum of its proper divisors (1).

204220312603 is an equidigital number, since it uses as much as digits as its factorization.

204220312603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 204220312603 in words is "two hundred four billion, two hundred twenty million, three hundred twelve thousand, six hundred three".