20351223240333 has 4 divisors (see below), whose sum is σ = 27134964320448. Its totient is φ = 13567482160220.

The previous prime is 20351223240319. The next prime is 20351223240371. The reversal of 20351223240333 is 33304232215302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20351223240333 - 2⁶ = 20351223240269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20351223240294 and 20351223240303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20351223240233) 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, 3391870540053 + ... + 3391870540058.

It is an arithmetic number, because the mean of its divisors is an integer number (6783741080112).

Almost surely, 2^{20351223240333} is an apocalyptic number.

It is an amenable number.

20351223240333 is a deficient number, since it is larger than the sum of its proper divisors (6783741080115).

20351223240333 is an equidigital number, since it uses as much as digits as its factorization.

20351223240333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783741080114.

The product of its (nonzero) digits is 77760, while the sum is 33.

Adding to 20351223240333 its reverse (33304232215302), we get a palindrome (53655455455635).

The spelling of 20351223240333 in words is "twenty trillion, three hundred fifty-one billion, two hundred twenty-three million, two hundred forty thousand, three hundred thirty-three".