220020343116406 has 32 divisors (see below), whose sum is σ = 378022184755200. Its totient is φ = 94083324249600.

The previous prime is 220020343116403. The next prime is 220020343116439. The reversal of 220020343116406 is 604611343020022.

It is a super-2 number, since 2×220020343116406² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020343116403) 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 15 ways as a sum of consecutive naturals, for example, 767572171 + ... + 767858761.

It is an arithmetic number, because the mean of its divisors is an integer number (11813193273600).

Almost surely, 2^{220020343116406} is an apocalyptic number.

220020343116406 is a deficient number, since it is larger than the sum of its proper divisors (158001841638794).

220020343116406 is a wasteful number, since it uses less digits than its factorization.

220020343116406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409180.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 220020343116406 its reverse (604611343020022), we get a palindrome (824631686136428).

The spelling of 220020343116406 in words is "two hundred twenty trillion, twenty billion, three hundred forty-three million, one hundred sixteen thousand, four hundred six".