20420113322222 has 16 divisors (see below), whose sum is σ = 31145512800672. Its totient is φ = 10038417753120.

The previous prime is 20420113322209. The next prime is 20420113322351. The reversal of 20420113322222 is 22222331102402.

It is a junction number, because it is equal to n+sod(n) for n = 20420113322191 and 20420113322200.

It is a congruent number.

It is an unprimeable number.

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, 35219018 + ... + 35794125.

It is an arithmetic number, because the mean of its divisors is an integer number (1946594550042).

Almost surely, 2^{20420113322222} is an apocalyptic number.

20420113322222 is a deficient number, since it is larger than the sum of its proper divisors (10725399478450).

20420113322222 is a wasteful number, since it uses less digits than its factorization.

20420113322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71015563.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20420113322222 its reverse (22222331102402), we get a palindrome (42642444424624).

The spelling of 20420113322222 in words is "twenty trillion, four hundred twenty billion, one hundred thirteen million, three hundred twenty-two thousand, two hundred twenty-two".