20021341443203 has 2 divisors, whose sum is σ = 20021341443204. Its totient is φ = 20021341443202.

The previous prime is 20021341443167. The next prime is 20021341443253. The reversal of 20021341443203 is 30234414312002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021341443203 - 2¹⁴ = 20021341426819 is a prime.

It is a super-2 number, since 2×20021341443203² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20021341443253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010670721601 + 10010670721602.

It is an arithmetic number, because the mean of its divisors is an integer number (10010670721602).

Almost surely, 2^{20021341443203} is an apocalyptic number.

20021341443203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021341443203 is an equidigital number, since it uses as much as digits as its factorization.

20021341443203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20021341443203 its reverse (30234414312002), we get a palindrome (50255755755205).

The spelling of 20021341443203 in words is "twenty trillion, twenty-one billion, three hundred forty-one million, four hundred forty-three thousand, two hundred three".