20223220006939 has 2 divisors, whose sum is σ = 20223220006940. Its totient is φ = 20223220006938.

The previous prime is 20223220006919. The next prime is 20223220006949. The reversal of 20223220006939 is 93960002232202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20223220006939 - 2¹¹ = 20223220004891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20223220006919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111610003469 + 10111610003470.

It is an arithmetic number, because the mean of its divisors is an integer number (10111610003470).

Almost surely, 2^{20223220006939} is an apocalyptic number.

20223220006939 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223220006939 is an equidigital number, since it uses as much as digits as its factorization.

20223220006939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 20223220006939 in words is "twenty trillion, two hundred twenty-three billion, two hundred twenty million, six thousand, nine hundred thirty-nine".