220320012469 has 2 divisors, whose sum is σ = 220320012470. Its totient is φ = 220320012468.

The previous prime is 220320012391. The next prime is 220320012533. The reversal of 220320012469 is 964210023022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215231044900 + 5088967569 = 463930^2 + 71337^2 .

It is a cyclic number.

It is not a de Polignac number, because 220320012469 - 2¹⁵ = 220319979701 is a prime.

It is a super-2 number, since 2×220320012469² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220320012469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220320012169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110160006234 + 110160006235.

It is an arithmetic number, because the mean of its divisors is an integer number (110160006235).

Almost surely, 2^220320012469 is an apocalyptic number.

It is an amenable number.

220320012469 is a deficient number, since it is larger than the sum of its proper divisors (1).

220320012469 is an equidigital number, since it uses as much as digits as its factorization.

220320012469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 220320012469 in words is "two hundred twenty billion, three hundred twenty million, twelve thousand, four hundred sixty-nine".