20010223232249 has 2 divisors, whose sum is σ = 20010223232250. Its totient is φ = 20010223232248.

The previous prime is 20010223232203. The next prime is 20010223232261. The reversal of 20010223232249 is 94223232201002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19989554857024 + 20668375225 = 4470968^2 + 143765^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010223232249 - 2²⁴ = 20010206455033 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010223232299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005111616124 + 10005111616125.

It is an arithmetic number, because the mean of its divisors is an integer number (10005111616125).

Almost surely, 2^{20010223232249} is an apocalyptic number.

It is an amenable number.

20010223232249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010223232249 is an equidigital number, since it uses as much as digits as its factorization.

20010223232249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 20010223232249 in words is "twenty trillion, ten billion, two hundred twenty-three million, two hundred thirty-two thousand, two hundred forty-nine".