20344341554226 has 96 divisors (see below), whose sum is σ = 48464869864320. Its totient is φ = 6374105208576.

The previous prime is 20344341554189. The next prime is 20344341554237. The reversal of 20344341554226 is 62245514344302.

20344341554226 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 4 + 3 + 415 + 5 + 4 + 226 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4627915 + ... + 7880753.

It is an arithmetic number, because the mean of its divisors is an integer number (504842394420).

Almost surely, 2^{20344341554226} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20344341554226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24232434932160).

20344341554226 is an abundant number, since it is smaller than the sum of its proper divisors (28120528310094).

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

20344341554226 is a wasteful number, since it uses less digits than its factorization.

20344341554226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253630 (or 3253618 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

Adding to 20344341554226 its reverse (62245514344302), we get a palindrome (82589855898528).

The spelling of 20344341554226 in words is "twenty trillion, three hundred forty-four billion, three hundred forty-one million, five hundred fifty-four thousand, two hundred twenty-six".