20223299999971 has 2 divisors, whose sum is σ = 20223299999972. Its totient is φ = 20223299999970.

The previous prime is 20223299999941. The next prime is 20223300000031. The reversal of 20223299999971 is 17999999232202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20223299999971 - 2⁷ = 20223299999843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20223299999894 and 20223299999903.

It is not a weakly prime, because it can be changed into another prime (20223299999941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111649999985 + 10111649999986.

It is an arithmetic number, because the mean of its divisors is an integer number (10111649999986).

Almost surely, 2^{20223299999971} is an apocalyptic number.

20223299999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

20223299999971 is an equidigital number, since it uses as much as digits as its factorization.

20223299999971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 178564176, while the sum is 73.

The spelling of 20223299999971 in words is "twenty trillion, two hundred twenty-three billion, two hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".