20203134401224 has 8 divisors (see below), whose sum is σ = 37880877002310. Its totient is φ = 10101567200608.

The previous prime is 20203134401221. The next prime is 20203134401251. The reversal of 20203134401224 is 42210443130202.

It can be written as a sum of positive squares in only one way, i.e., 20186959140100 + 16175261124 = 4492990^2 + 127182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 20203134401192 and 20203134401201.

It is not an unprimeable number, because it can be changed into a prime (20203134401221) by changing a digit.

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 as a sum of consecutive naturals, namely, 1262695900069 + ... + 1262695900084.

Almost surely, 2^{20203134401224} is an apocalyptic number.

It is an amenable number.

20203134401224 is a deficient number, since it is larger than the sum of its proper divisors (17677742601086).

20203134401224 is a wasteful number, since it uses less digits than its factorization.

20203134401224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525391800159 (or 2525391800155 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20203134401224 its reverse (42210443130202), we get a palindrome (62413577531426).

The spelling of 20203134401224 in words is "twenty trillion, two hundred three billion, one hundred thirty-four million, four hundred one thousand, two hundred twenty-four".