203220124369 has 2 divisors, whose sum is σ = 203220124370. Its totient is φ = 203220124368.

The previous prime is 203220124343. The next prime is 203220124381. The reversal of 203220124369 is 963421022302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199530169344 + 3689955025 = 446688^2 + 60745^2 .

It is a cyclic number.

It is not a de Polignac number, because 203220124369 - 2¹¹ = 203220122321 is a prime.

It is a super-2 number, since 2×203220124369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (203220124319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101610062184 + 101610062185.

It is an arithmetic number, because the mean of its divisors is an integer number (101610062185).

Almost surely, 2^203220124369 is an apocalyptic number.

It is an amenable number.

203220124369 is a deficient number, since it is larger than the sum of its proper divisors (1).

203220124369 is an equidigital number, since it uses as much as digits as its factorization.

203220124369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 203220124369 in words is "two hundred three billion, two hundred twenty million, one hundred twenty-four thousand, three hundred sixty-nine".