22012020029 has 2 divisors, whose sum is σ = 22012020030. Its totient is φ = 22012020028.

The previous prime is 22012019999. The next prime is 22012020031. The reversal of 22012020029 is 92002021022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19621005625 + 2391014404 = 140075^2 + 48898^2 .

It is a cyclic number.

It is not a de Polignac number, because 22012020029 - 2⁸ = 22012019773 is a prime.

It is a Sophie Germain prime.

Together with 22012020031, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012020089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006010014 + 11006010015.

It is an arithmetic number, because the mean of its divisors is an integer number (11006010015).

Almost surely, 2^22012020029 is an apocalyptic number.

It is an amenable number.

22012020029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012020029 is an equidigital number, since it uses as much as digits as its factorization.

22012020029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The spelling of 22012020029 in words is "twenty-two billion, twelve million, twenty thousand, twenty-nine".