220861765424433 has 32 divisors (see below), whose sum is σ = 337789423206144. Its totient is φ = 125742475026432.

The previous prime is 220861765424413. The next prime is 220861765424437. The reversal of 220861765424433 is 334424567168022.

It is not a de Polignac number, because 220861765424433 - 2⁴² = 216463718913329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220861765424437) 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 31 ways as a sum of consecutive naturals, for example, 83964541 + ... + 86554997.

It is an arithmetic number, because the mean of its divisors is an integer number (10555919475192).

Almost surely, 2^{220861765424433} is an apocalyptic number.

It is an amenable number.

220861765424433 is a deficient number, since it is larger than the sum of its proper divisors (116927657781711).

220861765424433 is a wasteful number, since it uses less digits than its factorization.

220861765424433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2605401.

The product of its (nonzero) digits is 46448640, while the sum is 57.

The spelling of 220861765424433 in words is "two hundred twenty trillion, eight hundred sixty-one billion, seven hundred sixty-five million, four hundred twenty-four thousand, four hundred thirty-three".