20413222133 has 4 divisors (see below), whose sum is σ = 20623667820. Its totient is φ = 20202776448.

The previous prime is 20413222091. The next prime is 20413222163. The reversal of 20413222133 is 33122231402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7604188804 + 12809033329 = 87202^2 + 113177^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413222133 - 2¹⁴ = 20413205749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413222099 and 20413222108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20413222163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105222698 + ... + 105222891.

It is an arithmetic number, because the mean of its divisors is an integer number (5155916955).

Almost surely, 2^20413222133 is an apocalyptic number.

It is an amenable number.

20413222133 is a deficient number, since it is larger than the sum of its proper divisors (210445687).

20413222133 is an equidigital number, since it uses as much as digits as its factorization.

20413222133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210445686.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20413222133 its reverse (33122231402), we get a palindrome (53535453535).

The spelling of 20413222133 in words is "twenty billion, four hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-three".