20411222341412 has 108 divisors (see below), whose sum is σ = 42774340355460. Its totient is φ = 8497379810304.

The previous prime is 20411222341403. The next prime is 20411222341417. The reversal of 20411222341412 is 21414322211402.

It can be written as a sum of positive squares in 6 ways, for example, as 47356723456 + 20363865617956 = 217616^2 + 4512634^2 .

It is not an unprimeable number, because it can be changed into a prime (20411222341417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 165494264 + ... + 165617552.

It is an arithmetic number, because the mean of its divisors is an integer number (396058706995).

Almost surely, 2^{20411222341412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20411222341412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21387170177730).

20411222341412 is an abundant number, since it is smaller than the sum of its proper divisors (22363118014048).

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

20411222341412 is a wasteful number, since it uses less digits than its factorization.

20411222341412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123998 (or 123952 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 20411222341412 its reverse (21414322211402), we get a palindrome (41825544552814).

The spelling of 20411222341412 in words is "twenty trillion, four hundred eleven billion, two hundred twenty-two million, three hundred forty-one thousand, four hundred twelve".