20224442473 has 2 divisors, whose sum is σ = 20224442474. Its totient is φ = 20224442472.

The previous prime is 20224442419. The next prime is 20224442507. The reversal of 20224442473 is 37424442202.

It is an a-pointer prime, because the next prime (20224442507) can be obtained adding 20224442473 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17943138304 + 2281304169 = 133952^2 + 47763^2 .

It is a cyclic number.

It is not a de Polignac number, because 20224442473 - 2¹³ = 20224434281 is a prime.

It is not a weakly prime, because it can be changed into another prime (20224445473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10112221236 + 10112221237.

It is an arithmetic number, because the mean of its divisors is an integer number (10112221237).

Almost surely, 2^20224442473 is an apocalyptic number.

It is an amenable number.

20224442473 is a deficient number, since it is larger than the sum of its proper divisors (1).

20224442473 is an equidigital number, since it uses as much as digits as its factorization.

20224442473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 34.

Adding to 20224442473 its reverse (37424442202), we get a palindrome (57648884675).

The spelling of 20224442473 in words is "twenty billion, two hundred twenty-four million, four hundred forty-two thousand, four hundred seventy-three".