201920443 has 2 divisors, whose sum is σ = 201920444. Its totient is φ = 201920442.

The previous prime is 201920419. The next prime is 201920471. The reversal of 201920443 is 344029102.

201920443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201920443 - 2¹³ = 201912251 is a prime.

It is not a weakly prime, because it can be changed into another prime (201921443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100960221 + 100960222.

It is an arithmetic number, because the mean of its divisors is an integer number (100960222).

Almost surely, 2^201920443 is an apocalyptic number.

201920443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201920443 is an equidigital number, since it uses as much as digits as its factorization.

201920443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 201920443 is about 14209.8713224293. The cubic root of 201920443 is about 586.6693913800.

Adding to 201920443 its reverse (344029102), we get a palindrome (545949545).

The spelling of 201920443 in words is "two hundred one million, nine hundred twenty thousand, four hundred forty-three".