20323302049 has 2 divisors, whose sum is σ = 20323302050. Its totient is φ = 20323302048.

The previous prime is 20323302031. The next prime is 20323302157. The reversal of 20323302049 is 94020332302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20162012049 + 161290000 = 141993^2 + 12700^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323302049 - 2⁵ = 20323302017 is a prime.

It is not a weakly prime, because it can be changed into another prime (20323302029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161651024 + 10161651025.

It is an arithmetic number, because the mean of its divisors is an integer number (10161651025).

Almost surely, 2^20323302049 is an apocalyptic number.

It is an amenable number.

20323302049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323302049 is an equidigital number, since it uses as much as digits as its factorization.

20323302049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 20323302049 in words is "twenty billion, three hundred twenty-three million, three hundred two thousand, forty-nine".