20220923 has 2 divisors, whose sum is σ = 20220924. Its totient is φ = 20220922.

The previous prime is 20220901. The next prime is 20220947. The reversal of 20220923 is 32902202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20220923 - 2¹² = 20216827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220895 and 20220904.

It is not a weakly prime, because it can be changed into another prime (20220983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110461 + 10110462.

It is an arithmetic number, because the mean of its divisors is an integer number (10110462).

Almost surely, 2^20220923 is an apocalyptic number.

20220923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220923 is an equidigital number, since it uses as much as digits as its factorization.

20220923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20220923 is about 4496.7680616194. The cubic root of 20220923 is about 272.4375661471.

The spelling of 20220923 in words is "twenty million, two hundred twenty thousand, nine hundred twenty-three".