20223001789 has 2 divisors, whose sum is σ = 20223001790. Its totient is φ = 20223001788.

The previous prime is 20223001787. The next prime is 20223001793. The reversal of 20223001789 is 98710032202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18459841689 + 1763160100 = 135867^2 + 41990^2 .

It is a cyclic number.

It is not a de Polignac number, because 20223001789 - 2¹ = 20223001787 is a prime.

Together with 20223001787, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20223001787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111500894 + 10111500895.

It is an arithmetic number, because the mean of its divisors is an integer number (10111500895).

Almost surely, 2^20223001789 is an apocalyptic number.

It is an amenable number.

20223001789 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223001789 is an equidigital number, since it uses as much as digits as its factorization.

20223001789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 20223001789 in words is "twenty billion, two hundred twenty-three million, one thousand, seven hundred eighty-nine".