20223044417 has 2 divisors, whose sum is σ = 20223044418. Its totient is φ = 20223044416.

The previous prime is 20223044393. The next prime is 20223044477. The reversal of 20223044417 is 71444032202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18812591281 + 1410453136 = 137159^2 + 37556^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223044417 - 2²⁰ = 20221995841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20223044417.

It is not a weakly prime, because it can be changed into another prime (20223044477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111522208 + 10111522209.

It is an arithmetic number, because the mean of its divisors is an integer number (10111522209).

Almost surely, 2^20223044417 is an apocalyptic number.

It is an amenable number.

20223044417 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223044417 is an equidigital number, since it uses as much as digits as its factorization.

20223044417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 20223044417 its reverse (71444032202), we get a palindrome (91667076619).

The spelling of 20223044417 in words is "twenty billion, two hundred twenty-three million, forty-four thousand, four hundred seventeen".