20022303289 has 2 divisors, whose sum is σ = 20022303290. Its totient is φ = 20022303288.

The previous prime is 20022303253. The next prime is 20022303293. The reversal of 20022303289 is 98230322002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16298862889 + 3723440400 = 127667^2 + 61020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022303289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022303289.

It is not a weakly prime, because it can be changed into another prime (20022303089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011151644 + 10011151645.

It is an arithmetic number, because the mean of its divisors is an integer number (10011151645).

Almost surely, 2^20022303289 is an apocalyptic number.

It is an amenable number.

20022303289 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022303289 is an equidigital number, since it uses as much as digits as its factorization.

20022303289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 20022303289 in words is "twenty billion, twenty-two million, three hundred three thousand, two hundred eighty-nine".