20220210988469 has 2 divisors, whose sum is σ = 20220210988470. Its totient is φ = 20220210988468.

The previous prime is 20220210988433. The next prime is 20220210988511. The reversal of 20220210988469 is 96488901202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19828647925969 + 391563062500 = 4452937^2 + 625750^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220210988469 - 2³² = 20215916021173 is a prime.

It is a super-2 number, since 2×20220210988469² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20220210988469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20220210988409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110105494234 + 10110105494235.

It is an arithmetic number, because the mean of its divisors is an integer number (10110105494235).

Almost surely, 2^{20220210988469} is an apocalyptic number.

It is an amenable number.

20220210988469 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220210988469 is an equidigital number, since it uses as much as digits as its factorization.

20220210988469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 20220210988469 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, nine hundred eighty-eight thousand, four hundred sixty-nine".