20103413233221 has 12 divisors (see below), whose sum is σ = 29064734187372. Its totient is φ = 13390058275776.

The previous prime is 20103413233213. The next prime is 20103413233237. The reversal of 20103413233221 is 12233231430102.

20103413233221 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 3 + 413 + 23 + 3 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10630012536900 + 9473400696321 = 3260370^2 + 3077889^2 .

It is not a de Polignac number, because 20103413233221 - 2³ = 20103413233213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20103413233121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018090666 + ... + 1018110411.

It is an arithmetic number, because the mean of its divisors is an integer number (2422061182281).

Almost surely, 2^{20103413233221} is an apocalyptic number.

It is an amenable number.

20103413233221 is a deficient number, since it is larger than the sum of its proper divisors (8961320954151).

20103413233221 is a wasteful number, since it uses less digits than its factorization.

20103413233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036202180 (or 2036202177 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 20103413233221 its reverse (12233231430102), we get a palindrome (32336644663323).

The spelling of 20103413233221 in words is "twenty trillion, one hundred three billion, four hundred thirteen million, two hundred thirty-three thousand, two hundred twenty-one".