20020622243 has 2 divisors, whose sum is σ = 20020622244. Its totient is φ = 20020622242.

The previous prime is 20020622239. The next prime is 20020622261. The reversal of 20020622243 is 34222602002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20020622243 - 2² = 20020622239 is a prime.

It is not a weakly prime, because it can be changed into another prime (20020612243) 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, 10010311121 + 10010311122.

It is an arithmetic number, because the mean of its divisors is an integer number (10010311122).

Almost surely, 2^20020622243 is an apocalyptic number.

20020622243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020622243 is an equidigital number, since it uses as much as digits as its factorization.

20020622243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The spelling of 20020622243 in words is "twenty billion, twenty million, six hundred twenty-two thousand, two hundred forty-three".