20331233300249 has 2 divisors, whose sum is σ = 20331233300250. Its totient is φ = 20331233300248.

The previous prime is 20331233300219. The next prime is 20331233300333. The reversal of 20331233300249 is 94200333213302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17468487739024 + 2862745561225 = 4179532^2 + 1691965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20331233300249 is a prime.

It is not a weakly prime, because it can be changed into another prime (20331233300219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165616650124 + 10165616650125.

It is an arithmetic number, because the mean of its divisors is an integer number (10165616650125).

Almost surely, 2^{20331233300249} is an apocalyptic number.

It is an amenable number.

20331233300249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331233300249 is an equidigital number, since it uses as much as digits as its factorization.

20331233300249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 35.

The spelling of 20331233300249 in words is "twenty trillion, three hundred thirty-one billion, two hundred thirty-three million, three hundred thousand, two hundred forty-nine".