10422020989 has 2 divisors, whose sum is σ = 10422020990. Its totient is φ = 10422020988.

The previous prime is 10422020971. The next prime is 10422020993. The reversal of 10422020989 is 98902022401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6816979225 + 3605041764 = 82565^2 + 60042^2 .

It is a cyclic number.

It is not a de Polignac number, because 10422020989 - 2¹¹ = 10422018941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10422020909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5211010494 + 5211010495.

It is an arithmetic number, because the mean of its divisors is an integer number (5211010495).

Almost surely, 2^10422020989 is an apocalyptic number.

It is an amenable number.

10422020989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10422020989 is an equidigital number, since it uses as much as digits as its factorization.

10422020989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 10422020989 in words is "ten billion, four hundred twenty-two million, twenty thousand, nine hundred eighty-nine".