220326794249 has 2 divisors, whose sum is σ = 220326794250. Its totient is φ = 220326794248.

The previous prime is 220326794201. The next prime is 220326794257. The reversal of 220326794249 is 942497623022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159734510224 + 60592284025 = 399668^2 + 246155^2 .

It is a cyclic number.

It is not a de Polignac number, because 220326794249 - 2³⁶ = 151607317513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220326794197 and 220326794206.

It is not a weakly prime, because it can be changed into another prime (220326791249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110163397124 + 110163397125.

It is an arithmetic number, because the mean of its divisors is an integer number (110163397125).

Almost surely, 2^220326794249 is an apocalyptic number.

It is an amenable number.

220326794249 is a deficient number, since it is larger than the sum of its proper divisors (1).

220326794249 is an equidigital number, since it uses as much as digits as its factorization.

220326794249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 220326794249 in words is "two hundred twenty billion, three hundred twenty-six million, seven hundred ninety-four thousand, two hundred forty-nine".