220124533 has 2 divisors, whose sum is σ = 220124534. Its totient is φ = 220124532.

The previous prime is 220124503. The next prime is 220124543. The reversal of 220124533 is 335421022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178676689 + 41447844 = 13367^2 + 6438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220124533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220124503) 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, 110062266 + 110062267.

It is an arithmetic number, because the mean of its divisors is an integer number (110062267).

Almost surely, 2^220124533 is an apocalyptic number.

It is an amenable number.

220124533 is a deficient number, since it is larger than the sum of its proper divisors (1).

220124533 is an equidigital number, since it uses as much as digits as its factorization.

220124533 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 22.

The square root of 220124533 is about 14836.5943868531. The cubic root of 220124533 is about 603.7949585805.

Adding to 220124533 its reverse (335421022), we get a palindrome (555545555).

The spelling of 220124533 in words is "two hundred twenty million, one hundred twenty-four thousand, five hundred thirty-three".