20412210443 has 2 divisors, whose sum is σ = 20412210444. Its totient is φ = 20412210442.

The previous prime is 20412210439. The next prime is 20412210451. The reversal of 20412210443 is 34401221402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20412210443 - 2² = 20412210439 is a prime.

It is not a weakly prime, because it can be changed into another prime (20412216443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10206105221 + 10206105222.

It is an arithmetic number, because the mean of its divisors is an integer number (10206105222).

Almost surely, 2^20412210443 is an apocalyptic number.

20412210443 is a deficient number, since it is larger than the sum of its proper divisors (1).

20412210443 is an equidigital number, since it uses as much as digits as its factorization.

20412210443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20412210443 its reverse (34401221402), we get a palindrome (54813431845).

The spelling of 20412210443 in words is "twenty billion, four hundred twelve million, two hundred ten thousand, four hundred forty-three".