220442435405 has 8 divisors (see below), whose sum is σ = 265465662432. Its totient is φ = 175730788368.

The previous prime is 220442435387. The next prime is 220442435413. The reversal of 220442435405 is 504534244022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220442435405 - 2¹⁶ = 220442369869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77893439 + ... + 77896268.

It is an arithmetic number, because the mean of its divisors is an integer number (33183207804).

Almost surely, 2^220442435405 is an apocalyptic number.

It is an amenable number.

220442435405 is a deficient number, since it is larger than the sum of its proper divisors (45023227027).

220442435405 is a wasteful number, since it uses less digits than its factorization.

220442435405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155789995.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 220442435405 its reverse (504534244022), we get a palindrome (724976679427).

The spelling of 220442435405 in words is "two hundred twenty billion, four hundred forty-two million, four hundred thirty-five thousand, four hundred five".