220010230309 has 2 divisors, whose sum is σ = 220010230310. Its totient is φ = 220010230308.

The previous prime is 220010230291. The next prime is 220010230351. The reversal of 220010230309 is 903032010022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124399406209 + 95610824100 = 352703^2 + 309210^2 .

It is a cyclic number.

It is not a de Polignac number, because 220010230309 - 2¹⁷ = 220010099237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220010230309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220010230399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110005115154 + 110005115155.

It is an arithmetic number, because the mean of its divisors is an integer number (110005115155).

Almost surely, 2^220010230309 is an apocalyptic number.

It is an amenable number.

220010230309 is a deficient number, since it is larger than the sum of its proper divisors (1).

220010230309 is an equidigital number, since it uses as much as digits as its factorization.

220010230309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 220010230309 in words is "two hundred twenty billion, ten million, two hundred thirty thousand, three hundred nine".