20305222203139 has 2 divisors, whose sum is σ = 20305222203140. Its totient is φ = 20305222203138.

The previous prime is 20305222203073. The next prime is 20305222203157. The reversal of 20305222203139 is 93130222250302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20305222203139 - 2¹³ = 20305222194947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20305222203169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152611101569 + 10152611101570.

It is an arithmetic number, because the mean of its divisors is an integer number (10152611101570).

Almost surely, 2^{20305222203139} is an apocalyptic number.

20305222203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20305222203139 is an equidigital number, since it uses as much as digits as its factorization.

20305222203139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 20305222203139 in words is "twenty trillion, three hundred five billion, two hundred twenty-two million, two hundred three thousand, one hundred thirty-nine".