15220120343 has 2 divisors, whose sum is σ = 15220120344. Its totient is φ = 15220120342.

The previous prime is 15220120339. The next prime is 15220120351. The reversal of 15220120343 is 34302102251.

15220120343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15220120343 - 2² = 15220120339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15220120393) 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, 7610060171 + 7610060172.

It is an arithmetic number, because the mean of its divisors is an integer number (7610060172).

Almost surely, 2^15220120343 is an apocalyptic number.

15220120343 is a deficient number, since it is larger than the sum of its proper divisors (1).

15220120343 is an equidigital number, since it uses as much as digits as its factorization.

15220120343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 15220120343 its reverse (34302102251), we get a palindrome (49522222594).

The spelling of 15220120343 in words is "fifteen billion, two hundred twenty million, one hundred twenty thousand, three hundred forty-three".