20712200550443 has 2 divisors, whose sum is σ = 20712200550444. Its totient is φ = 20712200550442.

The previous prime is 20712200550401. The next prime is 20712200550469. The reversal of 20712200550443 is 34405500221702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20712200550443 - 2⁸ = 20712200550187 is a prime.

It is not a weakly prime, because it can be changed into another prime (20712200550043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10356100275221 + 10356100275222.

It is an arithmetic number, because the mean of its divisors is an integer number (10356100275222).

Almost surely, 2^{20712200550443} is an apocalyptic number.

20712200550443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20712200550443 is an equidigital number, since it uses as much as digits as its factorization.

20712200550443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 20712200550443 in words is "twenty trillion, seven hundred twelve billion, two hundred million, five hundred fifty thousand, four hundred forty-three".