20344161452226 has 16 divisors (see below), whose sum is σ = 40691273851200. Its totient is φ = 6780895326288.

The previous prime is 20344161452221. The next prime is 20344161452227. The reversal of 20344161452226 is 62225416144302.

It is not an unprimeable number, because it can be changed into a prime (20344161452221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122866486 + ... + 123031953.

It is an arithmetic number, because the mean of its divisors is an integer number (2543204615700).

Almost surely, 2^{20344161452226} is an apocalyptic number.

20344161452226 is an abundant number, since it is smaller than the sum of its proper divisors (20347112398974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20344161452226 is a wasteful number, since it uses less digits than its factorization.

20344161452226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245912233.

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 20344161452226 its reverse (62225416144302), we get a palindrome (82569577596528).

The spelling of 20344161452226 in words is "twenty trillion, three hundred forty-four billion, one hundred sixty-one million, four hundred fifty-two thousand, two hundred twenty-six".