20122144143400 has 96 divisors (see below), whose sum is σ = 50385273183000. Its totient is φ = 7429343155200.

The previous prime is 20122144143391. The next prime is 20122144143443. The reversal of 20122144143400 is 434144122102.

It can be written as a sum of positive squares in 12 ways, for example, as 33407797284 + 20088736346116 = 182778^2 + 4482046^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54804430 + ... + 55170370.

Almost surely, 2^{20122144143400} is an apocalyptic number.

20122144143400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122144143400 is an abundant number, since it is smaller than the sum of its proper divisors (30263129039600).

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

20122144143400 is a wasteful number, since it uses less digits than its factorization.

20122144143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387119 (or 387110 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 20122144143400 its reverse (434144122102), we get a palindrome (20556288265502).

The spelling of 20122144143400 in words is "twenty trillion, one hundred twenty-two billion, one hundred forty-four million, one hundred forty-three thousand, four hundred".