220435413042321 has 8 divisors (see below), whose sum is σ = 326570982284960. Its totient is φ = 146956942028196.

The previous prime is 220435413042307. The next prime is 220435413042373. The reversal of 220435413042321 is 123240314534022.

220435413042321 is a `hidden beast` number, since 2 + 2 + 0 + 4 + 3 + 5 + 413 + 0 + 4 + 232 + 1 = 666.

It is not a de Polignac number, because 220435413042321 - 2¹⁴ = 220435413025937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220435413047321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082137278535 + ... + 4082137278588.

It is an arithmetic number, because the mean of its divisors is an integer number (40821372785620).

Almost surely, 2^{220435413042321} is an apocalyptic number.

It is an amenable number.

220435413042321 is a deficient number, since it is larger than the sum of its proper divisors (106135569242639).

220435413042321 is an equidigital number, since it uses as much as digits as its factorization.

220435413042321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8164274557132 (or 8164274557126 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 220435413042321 its reverse (123240314534022), we get a palindrome (343675727576343).

The spelling of 220435413042321 in words is "two hundred twenty trillion, four hundred thirty-five billion, four hundred thirteen million, forty-two thousand, three hundred twenty-one".